44881161 has 12 divisors (see below), whose sum is σ = 64799568. Its totient is φ = 27618864.

The previous prime is 44881157. The next prime is 44881163. The reversal of 44881161 is 16118844.

It is not a de Polignac number, because 44881161 - 2² = 44881157 is a prime.

It is a super-2 number, since 2×44881161² = 4028637225415842, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44881163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43755 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (5399964).

Almost surely, 2^44881161 is an apocalyptic number.

It is an amenable number.

44881161 is a deficient number, since it is larger than the sum of its proper divisors (19918407).

44881161 is a wasteful number, since it uses less digits than its factorization.

44881161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88552 (or 88539 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 44881161 is about 6699.3403406604. The cubic root of 44881161 is about 355.3759450517.

The spelling of 44881161 in words is "forty-four million, eight hundred eighty-one thousand, one hundred sixty-one".