157348669 has 2 divisors, whose sum is σ = 157348670. Its totient is φ = 157348668.

The previous prime is 157348663. The next prime is 157348673. The reversal of 157348669 is 966843751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104960025 + 52388644 = 10245^2 + 7238^2 .

It is a cyclic number.

It is not a de Polignac number, because 157348669 - 2¹¹ = 157346621 is a prime.

It is a super-2 number, since 2×157348669² = 49517207272143122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157348663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78674334 + 78674335.

It is an arithmetic number, because the mean of its divisors is an integer number (78674335).

Almost surely, 2^157348669 is an apocalyptic number.

It is an amenable number.

157348669 is a deficient number, since it is larger than the sum of its proper divisors (1).

157348669 is an equidigital number, since it uses as much as digits as its factorization.

157348669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 157348669 is about 12543.8697777042. The cubic root of 157348669 is about 539.8681308086.

The spelling of 157348669 in words is "one hundred fifty-seven million, three hundred forty-eight thousand, six hundred sixty-nine".