157281023 has 2 divisors, whose sum is σ = 157281024. Its totient is φ = 157281022.

The previous prime is 157281017. The next prime is 157281029. The reversal of 157281023 is 320182751.

It is a balanced prime because it is at equal distance from previous prime (157281017) and next prime (157281029).

It is a cyclic number.

It is not a de Polignac number, because 157281023 - 2¹⁸ = 157018879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157281029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78640511 + 78640512.

It is an arithmetic number, because the mean of its divisors is an integer number (78640512).

Almost surely, 2^157281023 is an apocalyptic number.

157281023 is a deficient number, since it is larger than the sum of its proper divisors (1).

157281023 is an equidigital number, since it uses as much as digits as its factorization.

157281023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 157281023 is about 12541.1731109972. The cubic root of 157281023 is about 539.7907545492.

The spelling of 157281023 in words is "one hundred fifty-seven million, two hundred eighty-one thousand, twenty-three".