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145053120 = 2635612477
BaseRepresentation
bin10001010010101…
…01010111000000
3101002221110110210
420221111113000
5244113144440
622220554120
73410634252
oct1051252700
9332843423
10145053120
1174973613
12406b2940
1324089364
141539bcd2
15cb03a80
hex8a555c0

145053120 has 112 divisors (see below), whose sum is σ = 468282528. Its totient is φ = 38031360.

The previous prime is 145053119. The next prime is 145053193. The reversal of 145053120 is 21350541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57322 + ... + 59798.

It is an arithmetic number, because the mean of its divisors is an integer number (4181094).

Almost surely, 2145053120 is an apocalyptic number.

145053120 is a gapful number since it is divisible by the number (10) 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 145053120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234141264).

145053120 is an abundant number, since it is smaller than the sum of its proper divisors (323229408).

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

145053120 is a wasteful number, since it uses less digits than its factorization.

145053120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145053120 is about 12043.8000647636. The cubic root of 145053120 is about 525.4229335748.

The spelling of 145053120 in words is "one hundred forty-five million, fifty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 61 64 80 96 120 122 160 183 192 240 244 305 320 366 480 488 610 732 915 960 976 1220 1464 1830 1952 2440 2477 2928 3660 3904 4880 4954 5856 7320 7431 9760 9908 11712 12385 14640 14862 19520 19816 24770 29280 29724 37155 39632 49540 58560 59448 74310 79264 99080 118896 148620 151097 158528 198160 237792 297240 302194 396320 453291 475584 594480 604388 755485 792640 906582 1188960 1208776 1510970 1813164 2266455 2377920 2417552 3021940 3626328 4532910 4835104 6043880 7252656 9065820 9670208 12087760 14505312 18131640 24175520 29010624 36263280 48351040 72526560 145053120