157379450149 has 2 divisors, whose sum is σ = 157379450150. Its totient is φ = 157379450148.

The previous prime is 157379450131. The next prime is 157379450177. The reversal of 157379450149 is 941054973751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152462916225 + 4916533924 = 390465^2 + 70118^2 .

It is a cyclic number.

It is not a de Polignac number, because 157379450149 - 2⁵ = 157379450117 is a prime.

It is a super-2 number, since 2×157379450149² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157379450149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157379450119) 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 as a sum of consecutive naturals, namely, 78689725074 + 78689725075.

It is an arithmetic number, because the mean of its divisors is an integer number (78689725075).

Almost surely, 2^157379450149 is an apocalyptic number.

It is an amenable number.

157379450149 is a deficient number, since it is larger than the sum of its proper divisors (1).

157379450149 is an equidigital number, since it uses as much as digits as its factorization.

157379450149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 157379450149 in words is "one hundred fifty-seven billion, three hundred seventy-nine million, four hundred fifty thousand, one hundred forty-nine".