157191467 has 2 divisors, whose sum is σ = 157191468. Its totient is φ = 157191466.

The previous prime is 157191443. The next prime is 157191473. The reversal of 157191467 is 764191751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157191467 - 2⁶ = 157191403 is a prime.

It is a super-2 number, since 2×157191467² = 49418314595224178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157191497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78595733 + 78595734.

It is an arithmetic number, because the mean of its divisors is an integer number (78595734).

Almost surely, 2^157191467 is an apocalyptic number.

157191467 is a deficient number, since it is larger than the sum of its proper divisors (1).

157191467 is an equidigital number, since it uses as much as digits as its factorization.

157191467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 41.

The square root of 157191467 is about 12537.6021232132. The cubic root of 157191467 is about 539.6882826001.

The spelling of 157191467 in words is "one hundred fifty-seven million, one hundred ninety-one thousand, four hundred sixty-seven".