157535249 has 2 divisors, whose sum is σ = 157535250. Its totient is φ = 157535248.

The previous prime is 157535237. The next prime is 157535263. The reversal of 157535249 is 942535751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153760000 + 3775249 = 12400^2 + 1943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157535249 is a prime.

It is not a weakly prime, because it can be changed into another prime (157535269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78767624 + 78767625.

It is an arithmetic number, because the mean of its divisors is an integer number (78767625).

Almost surely, 2^157535249 is an apocalyptic number.

It is an amenable number.

157535249 is a deficient number, since it is larger than the sum of its proper divisors (1).

157535249 is an equidigital number, since it uses as much as digits as its factorization.

157535249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 41.

The square root of 157535249 is about 12551.3046732202. The cubic root of 157535249 is about 540.0814337637.

The spelling of 157535249 in words is "one hundred fifty-seven million, five hundred thirty-five thousand, two hundred forty-nine".