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145790064 = 24337371303
BaseRepresentation
bin10001011000010…
…01010001110000
3101011022220101000
420230021101300
5244310240224
622244442000
73420123630
oct1054112160
9334286330
10145790064
1175327262
12409a9300
1324286914
14155106c0
15cbec0c9
hex8b09470

145790064 has 160 divisors (see below), whose sum is σ = 491555840. Its totient is φ = 40497408.

The previous prime is 145790039. The next prime is 145790083. The reversal of 145790064 is 460097541.

It is a super-2 number, since 2×1457900642 = 42509485522248192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111237 + ... + 112539.

It is an arithmetic number, because the mean of its divisors is an integer number (3072224).

Almost surely, 2145790064 is an apocalyptic number.

145790064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145790064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245777920).

145790064 is an abundant number, since it is smaller than the sum of its proper divisors (345765776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145790064 is a wasteful number, since it uses less digits than its factorization.

145790064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 145790064 is about 12074.3556349811. The cubic root of 145790064 is about 526.3112366231.

The spelling of 145790064 in words is "one hundred forty-five million, seven hundred ninety thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 37 42 48 54 56 63 72 74 84 108 111 112 126 144 148 168 189 216 222 252 259 296 333 336 378 432 444 504 518 592 666 756 777 888 999 1008 1036 1303 1332 1512 1554 1776 1998 2072 2331 2606 2664 3024 3108 3909 3996 4144 4662 5212 5328 6216 6993 7818 7992 9121 9324 10424 11727 12432 13986 15636 15984 18242 18648 20848 23454 27363 27972 31272 35181 36484 37296 46908 48211 54726 55944 62544 70362 72968 82089 93816 96422 109452 111888 140724 144633 145936 164178 187632 192844 218904 246267 281448 289266 328356 337477 385688 433899 437808 492534 562896 578532 656712 674954 771376 867798 985068 1012431 1157064 1301697 1313424 1349908 1735596 1970136 2024862 2314128 2603394 2699816 3037293 3471192 3940272 4049724 5206788 5399632 6074586 6942384 8099448 9111879 10413576 12149172 16198896 18223758 20827152 24298344 36447516 48596688 72895032 145790064