157846489 has 2 divisors, whose sum is σ = 157846490. Its totient is φ = 157846488.

The previous prime is 157846459. The next prime is 157846523. The reversal of 157846489 is 984648751.

157846489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 29975625 = 11308^2 + 5475^2 .

It is a cyclic number.

It is not a de Polignac number, because 157846489 - 2⁵ = 157846457 is a prime.

It is not a weakly prime, because it can be changed into another prime (157846459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78923244 + 78923245.

It is an arithmetic number, because the mean of its divisors is an integer number (78923245).

Almost surely, 2^157846489 is an apocalyptic number.

It is an amenable number.

157846489 is a deficient number, since it is larger than the sum of its proper divisors (1).

157846489 is an equidigital number, since it uses as much as digits as its factorization.

157846489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 52.

The square root of 157846489 is about 12563.6972663305. The cubic root of 157846489 is about 540.4368766820.

The spelling of 157846489 in words is "one hundred fifty-seven million, eight hundred forty-six thousand, four hundred eighty-nine".