44386157 has 2 divisors, whose sum is σ = 44386158. Its totient is φ = 44386156.

The previous prime is 44386129. The next prime is 44386163. The reversal of 44386157 is 75168344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42237001 + 2149156 = 6499^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 44386157 - 2¹⁸ = 44124013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44386157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44386127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22193078 + 22193079.

It is an arithmetic number, because the mean of its divisors is an integer number (22193079).

Almost surely, 2^44386157 is an apocalyptic number.

It is an amenable number.

44386157 is a deficient number, since it is larger than the sum of its proper divisors (1).

44386157 is an equidigital number, since it uses as much as digits as its factorization.

44386157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 44386157 is about 6662.2936741035. The cubic root of 44386157 is about 354.0646061875.

The spelling of 44386157 in words is "forty-four million, three hundred eighty-six thousand, one hundred fifty-seven".