45658472 has 8 divisors (see below), whose sum is σ = 85609650. Its totient is φ = 22829232.

The previous prime is 45658453. The next prime is 45658477. The reversal of 45658472 is 27485654.

It can be written as a sum of positive squares in only one way, i.e., 37283236 + 8375236 = 6106^2 + 2894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45658477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2853647 + ... + 2853662.

Almost surely, 2^45658472 is an apocalyptic number.

It is an amenable number.

45658472 is a deficient number, since it is larger than the sum of its proper divisors (39951178).

45658472 is a wasteful number, since it uses less digits than its factorization.

45658472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707315 (or 5707311 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 45658472 is about 6757.1052973888. The cubic root of 45658472 is about 357.4158362195.

The spelling of 45658472 in words is "forty-five million, six hundred fifty-eight thousand, four hundred seventy-two".