157157301943 has 2 divisors, whose sum is σ = 157157301944. Its totient is φ = 157157301942.

The previous prime is 157157301919. The next prime is 157157301947. The reversal of 157157301943 is 349103751751.

It is a strong prime.

It is an emirp because it is prime and its reverse (349103751751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157157301943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157157301893 and 157157301902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157157301947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78578650971 + 78578650972.

It is an arithmetic number, because the mean of its divisors is an integer number (78578650972).

Almost surely, 2^157157301943 is an apocalyptic number.

157157301943 is a deficient number, since it is larger than the sum of its proper divisors (1).

157157301943 is an equidigital number, since it uses as much as digits as its factorization.

157157301943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 157157301943 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, three hundred one thousand, nine hundred forty-three".