157633451 has 2 divisors, whose sum is σ = 157633452. Its totient is φ = 157633450.

The previous prime is 157633417. The next prime is 157633453. The reversal of 157633451 is 154336751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157633451 is a prime.

Together with 157633453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157633453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78816725 + 78816726.

It is an arithmetic number, because the mean of its divisors is an integer number (78816726).

Almost surely, 2^157633451 is an apocalyptic number.

157633451 is a deficient number, since it is larger than the sum of its proper divisors (1).

157633451 is an equidigital number, since it uses as much as digits as its factorization.

157633451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 157633451 is about 12555.2160873479. The cubic root of 157633451 is about 540.1936331194.

The spelling of 157633451 in words is "one hundred fifty-seven million, six hundred thirty-three thousand, four hundred fifty-one".