44921129 has 6 divisors (see below), whose sum is σ = 49376250. Its totient is φ = 40837280.

The previous prime is 44921113. The next prime is 44921131. The reversal of 44921129 is 92112944.

44921129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 2371600 = 6523^2 + 1540^2 .

It is not a de Polignac number, because 44921129 - 2⁴ = 44921113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44921095 and 44921104.

It is not an unprimeable number, because it can be changed into a prime (44921159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185504 + ... + 185745.

It is an arithmetic number, because the mean of its divisors is an integer number (8229375).

Almost surely, 2^44921129 is an apocalyptic number.

It is an amenable number.

44921129 is a deficient number, since it is larger than the sum of its proper divisors (4455121).

44921129 is a wasteful number, since it uses less digits than its factorization.

44921129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371271 (or 371260 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 44921129 is about 6702.3226571093. The cubic root of 44921129 is about 355.4814046795.

The spelling of 44921129 in words is "forty-four million, nine hundred twenty-one thousand, one hundred twenty-nine".