44531157 has 16 divisors (see below), whose sum is σ = 64995840. Its totient is φ = 26895600.

The previous prime is 44531141. The next prime is 44531167. The reversal of 44531157 is 75113544.

It is not a de Polignac number, because 44531157 - 2⁴ = 44531141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44531107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8094 + ... + 12432.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^44531157 is an apocalyptic number.

It is an amenable number.

44531157 is a deficient number, since it is larger than the sum of its proper divisors (20464683).

44531157 is a wasteful number, since it uses less digits than its factorization.

44531157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664.

The product of its digits is 8400, while the sum is 30.

The square root of 44531157 is about 6673.1669393175. The cubic root of 44531157 is about 354.4497380073.

The spelling of 44531157 in words is "forty-four million, five hundred thirty-one thousand, one hundred fifty-seven".