157092193 has 2 divisors, whose sum is σ = 157092194. Its totient is φ = 157092192.

The previous prime is 157092137. The next prime is 157092227. The reversal of 157092193 is 391290751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156925729 + 166464 = 12527^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 157092193 - 2²¹ = 154995041 is a prime.

It is not a weakly prime, because it can be changed into another prime (157092493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78546096 + 78546097.

It is an arithmetic number, because the mean of its divisors is an integer number (78546097).

Almost surely, 2^157092193 is an apocalyptic number.

It is an amenable number.

157092193 is a deficient number, since it is larger than the sum of its proper divisors (1).

157092193 is an equidigital number, since it uses as much as digits as its factorization.

157092193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 157092193 is about 12533.6424474292. The cubic root of 157092193 is about 539.5746456061.

The spelling of 157092193 in words is "one hundred fifty-seven million, ninety-two thousand, one hundred ninety-three".