45391376 has 10 divisors (see below), whose sum is σ = 87945822. Its totient is φ = 22695680.

The previous prime is 45391349. The next prime is 45391391. The reversal of 45391376 is 67319354.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24010000 + 21381376 = 4900^2 + 4624^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1418465 + ... + 1418496.

Almost surely, 2^45391376 is an apocalyptic number.

It is an amenable number.

45391376 is a deficient number, since it is larger than the sum of its proper divisors (42554446).

45391376 is a wasteful number, since it uses less digits than its factorization.

45391376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836969 (or 2836963 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 45391376 is about 6737.3122237284. The cubic root of 45391376 is about 356.7175277086.

The spelling of 45391376 in words is "forty-five million, three hundred ninety-one thousand, three hundred seventy-six".