45972086 has 4 divisors (see below), whose sum is σ = 68958132. Its totient is φ = 22986042.

The previous prime is 45972071. The next prime is 45972089. The reversal of 45972086 is 68027954.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×45972086² = 4226865382382792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45972089) 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 as a sum of consecutive naturals, namely, 11493020 + ... + 11493023.

It is an arithmetic number, because the mean of its divisors is an integer number (17239533).

Almost surely, 2^45972086 is an apocalyptic number.

45972086 is a deficient number, since it is larger than the sum of its proper divisors (22986046).

45972086 is a wasteful number, since it uses less digits than its factorization.

45972086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986045.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 45972086 is about 6780.2718234596. The cubic root of 45972086 is about 358.2322962059.

The spelling of 45972086 in words is "forty-five million, nine hundred seventy-two thousand, eighty-six".