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145225350 = 232521811783
BaseRepresentation
bin10001010011111…
…11011010000110
3101010021012201200
420221333122012
5244134202400
622224403330
73412252344
oct1051773206
9333235650
10145225350
1174a80a56
1240776546
132411987a
1415404994
15cb39b00
hex8a7f686

145225350 has 72 divisors (see below), whose sum is σ = 392547792. Its totient is φ = 38491200.

The previous prime is 145225331. The next prime is 145225361. The reversal of 145225350 is 53522541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80559 + ... + 82341.

Almost surely, 2145225350 is an apocalyptic number.

145225350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145225350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196273896).

145225350 is an abundant number, since it is smaller than the sum of its proper divisors (247322442).

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

145225350 is a wasteful number, since it uses less digits than its factorization.

145225350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145225350 is about 12050.9480954819. The cubic root of 145225350 is about 525.6308063857.

Adding to 145225350 its reverse (53522541), we get a palindrome (198747891).

The spelling of 145225350 in words is "one hundred forty-five million, two hundred twenty-five thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 181 225 362 450 543 905 1086 1629 1783 1810 2715 3258 3566 4525 5349 5430 8145 8915 9050 10698 13575 16047 16290 17830 26745 27150 32094 40725 44575 53490 80235 81450 89150 133725 160470 267450 322723 401175 645446 802350 968169 1613615 1936338 2904507 3227230 4840845 5809014 8068075 9681690 14522535 16136150 24204225 29045070 48408450 72612675 145225350