157156633 has 2 divisors, whose sum is σ = 157156634. Its totient is φ = 157156632.

The previous prime is 157156621. The next prime is 157156669. The reversal of 157156633 is 336651751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81866304 + 75290329 = 9048^2 + 8677^2 .

It is a cyclic number.

It is not a de Polignac number, because 157156633 - 2⁹ = 157156121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157156592 and 157156601.

It is not a weakly prime, because it can be changed into another prime (157156333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78578316 + 78578317.

It is an arithmetic number, because the mean of its divisors is an integer number (78578317).

Almost surely, 2^157156633 is an apocalyptic number.

It is an amenable number.

157156633 is a deficient number, since it is larger than the sum of its proper divisors (1).

157156633 is an equidigital number, since it uses as much as digits as its factorization.

157156633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 37.

The square root of 157156633 is about 12536.2128651359. The cubic root of 157156633 is about 539.6484142560.

The spelling of 157156633 in words is "one hundred fifty-seven million, one hundred fifty-six thousand, six hundred thirty-three".