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145285528 = 2356332257
BaseRepresentation
bin10001010100011…
…10000110011000
3101010101021021111
420222032012120
5244143114103
622225550104
73412622653
oct1052160630
9333337244
10145285528
1175012193
12407a5334
132413b08b
141541c89a
15cb4c86d
hex8a8e198

145285528 has 16 divisors (see below), whose sum is σ = 272902680. Its totient is φ = 72511488.

The previous prime is 145285513. The next prime is 145285541. The reversal of 145285528 is 825582541.

It is a super-2 number, since 2×1452855282 = 42215769292477568, 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 3 ways as a sum of consecutive naturals, for example, 11625 + ... + 20632.

Almost surely, 2145285528 is an apocalyptic number.

It is an amenable number.

145285528 is a deficient number, since it is larger than the sum of its proper divisors (127617152).

145285528 is a wasteful number, since it uses less digits than its factorization.

145285528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32826 (or 32822 counting only the distinct ones).

The product of its digits is 128000, while the sum is 40.

The square root of 145285528 is about 12053.4446528783. Note that the first 3 decimals coincide. The cubic root of 145285528 is about 525.7033994111.

The spelling of 145285528 in words is "one hundred forty-five million, two hundred eighty-five thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 563 1126 2252 4504 32257 64514 129028 258056 18160691 36321382 72642764 145285528