157002793 has 2 divisors, whose sum is σ = 157002794. Its totient is φ = 157002792.

The previous prime is 157002763. The next prime is 157002799. The reversal of 157002793 is 397200751.

157002793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114126489 + 42876304 = 10683^2 + 6548^2 .

It is an emirp because it is prime and its reverse (397200751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157002793 - 2⁹ = 157002281 is a prime.

It is not a weakly prime, because it can be changed into another prime (157002799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78501396 + 78501397.

It is an arithmetic number, because the mean of its divisors is an integer number (78501397).

Almost surely, 2^157002793 is an apocalyptic number.

It is an amenable number.

157002793 is a deficient number, since it is larger than the sum of its proper divisors (1).

157002793 is an equidigital number, since it uses as much as digits as its factorization.

157002793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 157002793 is about 12530.0755384794. The cubic root of 157002793 is about 539.4722702092.

The spelling of 157002793 in words is "one hundred fifty-seven million, two thousand, seven hundred ninety-three".