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145887325 = 527973867
BaseRepresentation
bin10001011001000…
…01000001011101
3101011111211210021
420230201001131
5244321343300
622250512141
73421010323
oct1054410135
9334454707
10145887325
1175393341
1240a35651
13242bbc7c
1415537d13
15cc1ad1a
hex8b2105d

145887325 has 12 divisors (see below), whose sum is σ = 183192640. Its totient is φ = 115230960.

The previous prime is 145887283. The next prime is 145887397. The reversal of 145887325 is 523788541.

It is not a de Polignac number, because 145887325 - 29 = 145886813 is a prime.

It is a super-2 number, since 2×1458873252 = 42566223191311250, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 34959 + ... + 38908.

Almost surely, 2145887325 is an apocalyptic number.

It is an amenable number.

145887325 is a deficient number, since it is larger than the sum of its proper divisors (37305315).

145887325 is an equidigital number, since it uses as much as digits as its factorization.

145887325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73956 (or 73951 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 145887325 is about 12078.3825490005. The cubic root of 145887325 is about 526.4282500341.

The spelling of 145887325 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 79 395 1975 73867 369335 1846675 5835493 29177465 145887325