45244881 has 24 divisors (see below), whose sum is σ = 72648576. Its totient is φ = 26900640.

The previous prime is 45244867. The next prime is 45244883. The reversal of 45244881 is 18844254.

It is not a de Polignac number, because 45244881 - 2⁶ = 45244817 is a prime.

It is a super-2 number, since 2×45244881² = 4094198513408322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^45244881 is an apocalyptic number.

It is an amenable number.

45244881 is a deficient number, since it is larger than the sum of its proper divisors (27403695).

45244881 is a wasteful number, since it uses less digits than its factorization.

45244881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693 (or 8690 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 45244881 is about 6726.4315205018. The cubic root of 45244881 is about 356.3333603634. Note that the first 4 decimals are identical.

The spelling of 45244881 in words is "forty-five million, two hundred forty-four thousand, eight hundred eighty-one".