157170353 has 2 divisors, whose sum is σ = 157170354. Its totient is φ = 157170352.

The previous prime is 157170347. The next prime is 157170379. The reversal of 157170353 is 353071751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119617969 + 37552384 = 10937^2 + 6128^2 .

It is a cyclic number.

It is not a de Polignac number, because 157170353 - 2¹⁶ = 157104817 is a prime.

It is not a weakly prime, because it can be changed into another prime (157170323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78585176 + 78585177.

It is an arithmetic number, because the mean of its divisors is an integer number (78585177).

Almost surely, 2^157170353 is an apocalyptic number.

It is an amenable number.

157170353 is a deficient number, since it is larger than the sum of its proper divisors (1).

157170353 is an equidigital number, since it uses as much as digits as its factorization.

157170353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 157170353 is about 12536.7600678963. The cubic root of 157170353 is about 539.6641178265.

The spelling of 157170353 in words is "one hundred fifty-seven million, one hundred seventy thousand, three hundred fifty-three".