157275829 has 2 divisors, whose sum is σ = 157275830. Its totient is φ = 157275828.

The previous prime is 157275821. The next prime is 157275851. The reversal of 157275829 is 928572751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113742225 + 43533604 = 10665^2 + 6598^2 .

It is a cyclic number.

It is not a de Polignac number, because 157275829 - 2³ = 157275821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157275821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78637914 + 78637915.

It is an arithmetic number, because the mean of its divisors is an integer number (78637915).

Almost surely, 2^157275829 is an apocalyptic number.

It is an amenable number.

157275829 is a deficient number, since it is larger than the sum of its proper divisors (1).

157275829 is an equidigital number, since it uses as much as digits as its factorization.

157275829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 46.

The square root of 157275829 is about 12540.9660313709. The cubic root of 157275829 is about 539.7848125226.

The spelling of 157275829 in words is "one hundred fifty-seven million, two hundred seventy-five thousand, eight hundred twenty-nine".