45997782 has 32 divisors (see below), whose sum is σ = 94443360. Its totient is φ = 14929920.

The previous prime is 45997753. The next prime is 45997807. The reversal of 45997782 is 28779954.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39318 + ... + 40470.

It is an arithmetic number, because the mean of its divisors is an integer number (2951355).

Almost surely, 2^45997782 is an apocalyptic number.

45997782 is an abundant number, since it is smaller than the sum of its proper divisors (48445578).

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

45997782 is a wasteful number, since it uses less digits than its factorization.

45997782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its digits is 1270080, while the sum is 51.

The square root of 45997782 is about 6782.1664680248. The cubic root of 45997782 is about 358.2990281683.

The spelling of 45997782 in words is "forty-five million, nine hundred ninety-seven thousand, seven hundred eighty-two".