45974523 has 16 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 26233536.

The previous prime is 45974503. The next prime is 45974527. The reversal of 45974523 is 32547954.

It is not a de Polignac number, because 45974523 - 2⁵ = 45974491 is a prime.

It is a super-2 number, since 2×45974523² = 4227313530155058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45974527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20986 + ... + 23072.

It is an arithmetic number, because the mean of its divisors is an integer number (4384800).

Almost surely, 2^45974523 is an apocalyptic number.

45974523 is a deficient number, since it is larger than the sum of its proper divisors (24182277).

45974523 is a wasteful number, since it uses less digits than its factorization.

45974523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146.

The product of its digits is 151200, while the sum is 39.

The square root of 45974523 is about 6780.4515336370. The cubic root of 45974523 is about 358.2386261099.

The spelling of 45974523 in words is "forty-five million, nine hundred seventy-four thousand, five hundred twenty-three".