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145636018 = 21141161459
BaseRepresentation
bin10001010111000…
…11101010110010
3101011001002001121
420223203222302
5244240323033
622241252454
73415612543
oct1053435262
9334032047
10145636018
1175231550
124093412a
1324231778
14154b04ca
15cbbb62d
hex8ae3ab2

145636018 has 16 divisors (see below), whose sum is σ = 244127520. Its totient is φ = 64583200.

The previous prime is 145636003. The next prime is 145636061. The reversal of 145636018 is 810636541.

It is a happy number.

145636018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79828 + ... + 81631.

It is an arithmetic number, because the mean of its divisors is an integer number (15257970).

Almost surely, 2145636018 is an apocalyptic number.

145636018 is a deficient number, since it is larger than the sum of its proper divisors (98491502).

145636018 is a wasteful number, since it uses less digits than its factorization.

145636018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161513.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 145636018 is about 12067.9748922510. The cubic root of 145636018 is about 526.1257994012.

The spelling of 145636018 in words is "one hundred forty-five million, six hundred thirty-six thousand, eighteen".

Divisors: 1 2 11 22 41 82 451 902 161459 322918 1776049 3552098 6619819 13239638 72818009 145636018