45472923 has 24 divisors (see below), whose sum is σ = 67549248. Its totient is φ = 29463552.

The previous prime is 45472913. The next prime is 45472949. The reversal of 45472923 is 32927454.

It is not a de Polignac number, because 45472923 - 2⁵ = 45472891 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (45472913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81361 + ... + 81917.

It is an arithmetic number, because the mean of its divisors is an integer number (2814552).

Almost surely, 2^45472923 is an apocalyptic number.

45472923 is a deficient number, since it is larger than the sum of its proper divisors (22076325).

45472923 is a wasteful number, since it uses less digits than its factorization.

45472923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 800 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 45472923 is about 6743.3614021495. The cubic root of 45472923 is about 356.9310179077.

The spelling of 45472923 in words is "forty-five million, four hundred seventy-two thousand, nine hundred twenty-three".