157157258443 has 2 divisors, whose sum is σ = 157157258444. Its totient is φ = 157157258442.

The previous prime is 157157258431. The next prime is 157157258471. The reversal of 157157258443 is 344852751751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157157258443 - 2¹³ = 157157250251 is a prime.

It is not a weakly prime, because it can be changed into another prime (157157228443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78578629221 + 78578629222.

It is an arithmetic number, because the mean of its divisors is an integer number (78578629222).

Almost surely, 2^157157258443 is an apocalyptic number.

157157258443 is a deficient number, since it is larger than the sum of its proper divisors (1).

157157258443 is an equidigital number, since it uses as much as digits as its factorization.

157157258443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704000, while the sum is 52.

The spelling of 157157258443 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, two hundred fifty-eight thousand, four hundred forty-three".