45481944 has 16 divisors (see below), whose sum is σ = 113704920. Its totient is φ = 15160640.

The previous prime is 45481927. The next prime is 45481951. The reversal of 45481944 is 44918454.

It is a congruent number.

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, 947517 + ... + 947564.

Almost surely, 2^45481944 is an apocalyptic number.

It is an amenable number.

45481944 is an abundant number, since it is smaller than the sum of its proper divisors (68222976).

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

45481944 is a wasteful number, since it uses less digits than its factorization.

45481944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895090 (or 1895086 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 45481944 is about 6744.0302490425. The cubic root of 45481944 is about 356.9546192188.

The spelling of 45481944 in words is "forty-five million, four hundred eighty-one thousand, nine hundred forty-four".