45376644 has 12 divisors (see below), whose sum is σ = 105878864. Its totient is φ = 15125544.

The previous prime is 45376637. The next prime is 45376657. The reversal of 45376644 is 44667354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890682 + ... + 1890705.

Almost surely, 2^45376644 is an apocalyptic number.

It is an amenable number.

45376644 is an abundant number, since it is smaller than the sum of its proper divisors (60502220).

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

45376644 is a wasteful number, since it uses less digits than its factorization.

45376644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781394 (or 3781392 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 45376644 is about 6736.2188206738. The cubic root of 45376644 is about 356.6789320420.

The spelling of 45376644 in words is "forty-five million, three hundred seventy-six thousand, six hundred forty-four".