44678161 has 24 divisors (see below), whose sum is σ = 52059392. Its totient is φ = 38253600.

The previous prime is 44678143. The next prime is 44678189. The reversal of 44678161 is 16187644.

It is a happy number.

It is not a de Polignac number, because 44678161 - 2⁷ = 44678033 is a prime.

It is a super-2 number, since 2×44678161² = 3992276140683842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44678161.

It is not an unprimeable number, because it can be changed into a prime (44678141) 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, 161155 + ... + 161431.

Almost surely, 2^44678161 is an apocalyptic number.

It is an amenable number.

44678161 is a deficient number, since it is larger than the sum of its proper divisors (7381231).

44678161 is a wasteful number, since it uses less digits than its factorization.

44678161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 362 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 44678161 is about 6684.1724244666. The cubic root of 44678161 is about 354.8393401172.

The spelling of 44678161 in words is "forty-four million, six hundred seventy-eight thousand, one hundred sixty-one".