44989137 has 24 divisors (see below), whose sum is σ = 67212288. Its totient is φ = 28980000.

The previous prime is 44989037. The next prime is 44989171. The reversal of 44989137 is 73198944.

It is not a de Polignac number, because 44989137 - 2²² = 40794833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44989092 and 44989101.

It is not an unprimeable number, because it can be changed into a prime (44989187) 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, 38512 + ... + 39662.

It is an arithmetic number, because the mean of its divisors is an integer number (2800512).

Almost surely, 2^44989137 is an apocalyptic number.

It is an amenable number.

44989137 is a deficient number, since it is larger than the sum of its proper divisors (22223151).

44989137 is a wasteful number, since it uses less digits than its factorization.

44989137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1298 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 44989137 is about 6707.3942034146. The cubic root of 44989137 is about 355.6607070109.

The spelling of 44989137 in words is "forty-four million, nine hundred eighty-nine thousand, one hundred thirty-seven".