44904161 has 2 divisors, whose sum is σ = 44904162. Its totient is φ = 44904160.

The previous prime is 44904127. The next prime is 44904179. The reversal of 44904161 is 16140944.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44890000 + 14161 = 6700^2 + 119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44904161 is a prime.

It is a super-2 number, since 2×44904161² = 4032767350227842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44904661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22452080 + 22452081.

It is an arithmetic number, because the mean of its divisors is an integer number (22452081).

Almost surely, 2^44904161 is an apocalyptic number.

It is an amenable number.

44904161 is a deficient number, since it is larger than the sum of its proper divisors (1).

44904161 is an equidigital number, since it uses as much as digits as its factorization.

44904161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 44904161 is about 6701.0567077141. The cubic root of 44904161 is about 355.4366405322.

The spelling of 44904161 in words is "forty-four million, nine hundred four thousand, one hundred sixty-one".