44487157 has 8 divisors (see below), whose sum is σ = 52264800. Its totient is φ = 37331760.

The previous prime is 44487133. The next prime is 44487161. The reversal of 44487157 is 75178444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44487157 - 2¹¹ = 44485109 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 (44487187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155407 + ... + 155692.

It is an arithmetic number, because the mean of its divisors is an integer number (6533100).

Almost surely, 2^44487157 is an apocalyptic number.

It is an amenable number.

44487157 is a deficient number, since it is larger than the sum of its proper divisors (7777643).

44487157 is a wasteful number, since it uses less digits than its factorization.

44487157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311123.

The product of its digits is 125440, while the sum is 40.

The square root of 44487157 is about 6669.8693390501. The cubic root of 44487157 is about 354.3329588881.

It can be divided in two parts, 44487 and 157, that added together give a palindrome (44644).

The spelling of 44487157 in words is "forty-four million, four hundred eighty-seven thousand, one hundred fifty-seven".