157612249 has 2 divisors, whose sum is σ = 157612250. Its totient is φ = 157612248.

The previous prime is 157612199. The next prime is 157612271. The reversal of 157612249 is 942216751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 9259849 = 12180^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 157612249 - 2⁷ = 157612121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157612289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78806124 + 78806125.

It is an arithmetic number, because the mean of its divisors is an integer number (78806125).

Almost surely, 2^157612249 is an apocalyptic number.

It is an amenable number.

157612249 is a deficient number, since it is larger than the sum of its proper divisors (1).

157612249 is an equidigital number, since it uses as much as digits as its factorization.

157612249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 157612249 is about 12554.3717086918. The cubic root of 157612249 is about 540.1694130086.

The spelling of 157612249 in words is "one hundred fifty-seven million, six hundred twelve thousand, two hundred forty-nine".