157474469 has 2 divisors, whose sum is σ = 157474470. Its totient is φ = 157474468.

The previous prime is 157474441. The next prime is 157474517. The reversal of 157474469 is 964474751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151413025 + 6061444 = 12305^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 157474469 - 2¹² = 157470373 is a prime.

It is a super-2 number, since 2×157474469² = 49596416773663922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157473469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78737234 + 78737235.

It is an arithmetic number, because the mean of its divisors is an integer number (78737235).

Almost surely, 2^157474469 is an apocalyptic number.

It is an amenable number.

157474469 is a deficient number, since it is larger than the sum of its proper divisors (1).

157474469 is an equidigital number, since it uses as much as digits as its factorization.

157474469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 157474469 is about 12548.8831773987. The cubic root of 157474469 is about 540.0119670416.

The spelling of 157474469 in words is "one hundred fifty-seven million, four hundred seventy-four thousand, four hundred sixty-nine".