45972402 has 32 divisors (see below), whose sum is σ = 106109952. Its totient is φ = 13006224.

The previous prime is 45972401. The next prime is 45972413. The reversal of 45972402 is 20427954.

It is a super-2 number, since 2×45972402² = 4226923491299208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45972401) 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, 988 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (3315936).

Almost surely, 2^45972402 is an apocalyptic number.

45972402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45972402 is an abundant number, since it is smaller than the sum of its proper divisors (60137550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45972402 is a wasteful number, since it uses less digits than its factorization.

45972402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10742.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 45972402 is about 6780.2951263201. The cubic root of 45972402 is about 358.2331170021.

The spelling of 45972402 in words is "forty-five million, nine hundred seventy-two thousand, four hundred two".