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145307468 = 22231579429
BaseRepresentation
bin10001010100100…
…11011101001100
3101010102101101002
420222103131030
5244144314333
622230235432
73413043635
oct1052233514
9333371332
10145307468
1175027719
12407b5b78
1324148067
141542688c
15cb540e8
hex8a9374c

145307468 has 12 divisors (see below), whose sum is σ = 265344240. Its totient is φ = 69494832.

The previous prime is 145307441. The next prime is 145307507. The reversal of 145307468 is 864703541.

It is a super-2 number, since 2×1453074682 = 42228520513142048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789623 + ... + 789806.

It is an arithmetic number, because the mean of its divisors is an integer number (22112020).

Almost surely, 2145307468 is an apocalyptic number.

It is an amenable number.

145307468 is a deficient number, since it is larger than the sum of its proper divisors (120036772).

145307468 is a wasteful number, since it uses less digits than its factorization.

145307468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579456 (or 1579454 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 145307468 is about 12054.3547317971. The cubic root of 145307468 is about 525.7298607575.

The spelling of 145307468 in words is "one hundred forty-five million, three hundred seven thousand, four hundred sixty-eight".

Divisors: 1 2 4 23 46 92 1579429 3158858 6317716 36326867 72653734 145307468