156103457 has 2 divisors, whose sum is σ = 156103458. Its totient is φ = 156103456.

The previous prime is 156103427. The next prime is 156103483. The reversal of 156103457 is 754301651.

156103457 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., 93392896 + 62710561 = 9664^2 + 7919^2 .

It is a cyclic number.

It is not a de Polignac number, because 156103457 - 2¹⁰ = 156102433 is a prime.

It is not a weakly prime, because it can be changed into another prime (156103427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78051728 + 78051729.

It is an arithmetic number, because the mean of its divisors is an integer number (78051729).

Almost surely, 2^156103457 is an apocalyptic number.

It is an amenable number.

156103457 is a deficient number, since it is larger than the sum of its proper divisors (1).

156103457 is an equidigital number, since it uses as much as digits as its factorization.

156103457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 156103457 is about 12494.1369049647. The cubic root of 156103457 is about 538.4402372678.

The spelling of 156103457 in words is "one hundred fifty-six million, one hundred three thousand, four hundred fifty-seven".