44869157 has 2 divisors, whose sum is σ = 44869158. Its totient is φ = 44869156.

The previous prime is 44869133. The next prime is 44869189. The reversal of 44869157 is 75196844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 5317636 = 6289^2 + 2306^2 .

It is a cyclic number.

It is not a de Polignac number, because 44869157 - 2²² = 40674853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44869117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22434578 + 22434579.

It is an arithmetic number, because the mean of its divisors is an integer number (22434579).

Almost surely, 2^44869157 is an apocalyptic number.

It is an amenable number.

44869157 is a deficient number, since it is larger than the sum of its proper divisors (1).

44869157 is an equidigital number, since it uses as much as digits as its factorization.

44869157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 44869157 is about 6698.4443716433. Note that the first 3 decimals coincide. The cubic root of 44869157 is about 355.3442590530.

The spelling of 44869157 in words is "forty-four million, eight hundred sixty-nine thousand, one hundred fifty-seven".