45531670 has 16 divisors (see below), whose sum is σ = 82585008. Its totient is φ = 18073120.

The previous prime is 45531667. The next prime is 45531671. The reversal of 45531670 is 7613554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16069 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (5161563).

Almost surely, 2^45531670 is an apocalyptic number.

45531670 is a deficient number, since it is larger than the sum of its proper divisors (37053338).

45531670 is a wasteful number, since it uses less digits than its factorization.

45531670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34895.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 45531670 is about 6747.7159098468. The cubic root of 45531670 is about 357.0846595456.

The spelling of 45531670 in words is "forty-five million, five hundred thirty-one thousand, six hundred seventy".