45997444 has 24 divisors (see below), whose sum is σ = 87218208. Its totient is φ = 21141120.

The previous prime is 45997439. The next prime is 45997453. The reversal of 45997444 is 44479954.

It is a junction number, because it is equal to n+sod(n) for n = 45997394 and 45997403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4942 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (3634092).

Almost surely, 2^45997444 is an apocalyptic number.

It is an amenable number.

45997444 is a deficient number, since it is larger than the sum of its proper divisors (41220764).

45997444 is a wasteful number, since it uses less digits than its factorization.

45997444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15795 (or 15793 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 45997444 is about 6782.1415496877. The cubic root of 45997444 is about 358.2981505509.

It can be divided in two parts, 459 and 97444, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 45997444 in words is "forty-five million, nine hundred ninety-seven thousand, four hundred forty-four".