157397153 has 2 divisors, whose sum is σ = 157397154. Its totient is φ = 157397152.

The previous prime is 157397143. The next prime is 157397167. The reversal of 157397153 is 351793751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132066064 + 25331089 = 11492^2 + 5033^2 .

It is a cyclic number.

It is not a de Polignac number, because 157397153 - 2⁶ = 157397089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157397153.

It is not a weakly prime, because it can be changed into another prime (157397113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78698576 + 78698577.

It is an arithmetic number, because the mean of its divisors is an integer number (78698577).

Almost surely, 2^157397153 is an apocalyptic number.

It is an amenable number.

157397153 is a deficient number, since it is larger than the sum of its proper divisors (1).

157397153 is an equidigital number, since it uses as much as digits as its factorization.

157397153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99225, while the sum is 41.

The square root of 157397153 is about 12545.8022063159. The cubic root of 157397153 is about 539.9235751468.

The spelling of 157397153 in words is "one hundred fifty-seven million, three hundred ninety-seven thousand, one hundred fifty-three".