157195853 has 2 divisors, whose sum is σ = 157195854. Its totient is φ = 157195852.

The previous prime is 157195847. The next prime is 157195903. The reversal of 157195853 is 358591751.

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., 139192804 + 18003049 = 11798^2 + 4243^2 .

It is a cyclic number.

It is not a de Polignac number, because 157195853 - 2⁶ = 157195789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157195813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78597926 + 78597927.

It is an arithmetic number, because the mean of its divisors is an integer number (78597927).

Almost surely, 2^157195853 is an apocalyptic number.

It is an amenable number.

157195853 is a deficient number, since it is larger than the sum of its proper divisors (1).

157195853 is an equidigital number, since it uses as much as digits as its factorization.

157195853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 44.

The square root of 157195853 is about 12537.7770358226. Note that the first 3 decimals coincide. The cubic root of 157195853 is about 539.6933020642.

The spelling of 157195853 in words is "one hundred fifty-seven million, one hundred ninety-five thousand, eight hundred fifty-three".