157865153 has 2 divisors, whose sum is σ = 157865154. Its totient is φ = 157865152.

The previous prime is 157865131. The next prime is 157865159. The reversal of 157865153 is 351568751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117007489 + 40857664 = 10817^2 + 6392^2 .

It is a cyclic number.

It is not a de Polignac number, because 157865153 - 2⁶ = 157865089 is a prime.

It is equal to p_8861486 and since 157865153 and 8861486 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157865153.

It is not a weakly prime, because it can be changed into another prime (157865159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78932576 + 78932577.

It is an arithmetic number, because the mean of its divisors is an integer number (78932577).

Almost surely, 2^157865153 is an apocalyptic number.

It is an amenable number.

157865153 is a deficient number, since it is larger than the sum of its proper divisors (1).

157865153 is an equidigital number, since it uses as much as digits as its factorization.

157865153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 41.

The square root of 157865153 is about 12564.4400193562. The cubic root of 157865153 is about 540.4581765251.

The spelling of 157865153 in words is "one hundred fifty-seven million, eight hundred sixty-five thousand, one hundred fifty-three".