45872238 has 16 divisors (see below), whose sum is σ = 92212560. Its totient is φ = 15213128.

The previous prime is 45872227. The next prime is 45872257. The reversal of 45872238 is 83227854.

It is a junction number, because it is equal to n+sod(n) for n = 45872196 and 45872205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232756 + ... + 232952.

It is an arithmetic number, because the mean of its divisors is an integer number (5763285).

Almost surely, 2^45872238 is an apocalyptic number.

45872238 is an abundant number, since it is smaller than the sum of its proper divisors (46340322).

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

45872238 is an frugal number, since it uses more digits than its factorization.

45872238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 202 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 45872238 is about 6772.9046944424. The cubic root of 45872238 is about 357.9727567879.

The spelling of 45872238 in words is "forty-five million, eight hundred seventy-two thousand, two hundred thirty-eight".