45459931 has 8 divisors (see below), whose sum is σ = 49808304. Its totient is φ = 41147520.

The previous prime is 45459929. The next prime is 45459961. The reversal of 45459931 is 13995454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45459931 - 2¹ = 45459929 is a prime.

It is a super-2 number, since 2×45459931² = 4133210653049522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45459961) 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, 6306 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (6226038).

Almost surely, 2^45459931 is an apocalyptic number.

45459931 is a deficient number, since it is larger than the sum of its proper divisors (4348373).

45459931 is a wasteful number, since it uses less digits than its factorization.

45459931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981.

The product of its digits is 97200, while the sum is 40.

The square root of 45459931 is about 6742.3980155431. The cubic root of 45459931 is about 356.8970219295.

The spelling of 45459931 in words is "forty-five million, four hundred fifty-nine thousand, nine hundred thirty-one".