44156356157 has 2 divisors, whose sum is σ = 44156356158. Its totient is φ = 44156356156.

The previous prime is 44156356063. The next prime is 44156356171. The reversal of 44156356157 is 75165365144.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31152603001 + 13003753156 = 176501^2 + 114034^2 .

It is a cyclic number.

It is not a de Polignac number, because 44156356157 - 2¹⁸ = 44156094013 is a prime.

It is a super-5 number, since 5×44156356157⁵ (a number of 54 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44156356457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22078178078 + 22078178079.

It is an arithmetic number, because the mean of its divisors is an integer number (22078178079).

Almost surely, 2^44156356157 is an apocalyptic number.

It is an amenable number.

44156356157 is a deficient number, since it is larger than the sum of its proper divisors (1).

44156356157 is an equidigital number, since it uses as much as digits as its factorization.

44156356157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 47.

The spelling of 44156356157 in words is "forty-four billion, one hundred fifty-six million, three hundred fifty-six thousand, one hundred fifty-seven".