44839157 has 4 divisors (see below), whose sum is σ = 48915456. Its totient is φ = 40762860.

The previous prime is 44839139. The next prime is 44839159. The reversal of 44839157 is 75193844.

44839157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44839157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44839159) 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 3 ways as a sum of consecutive naturals, for example, 2038133 + ... + 2038154.

It is an arithmetic number, because the mean of its divisors is an integer number (12228864).

Almost surely, 2^44839157 is an apocalyptic number.

It is an amenable number.

44839157 is a deficient number, since it is larger than the sum of its proper divisors (4076299).

44839157 is a wasteful number, since it uses less digits than its factorization.

44839157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076298.

The product of its digits is 120960, while the sum is 41.

The square root of 44839157 is about 6696.2046713045. The cubic root of 44839157 is about 355.2650457342.

The spelling of 44839157 in words is "forty-four million, eight hundred thirty-nine thousand, one hundred fifty-seven".