148457657 has 2 divisors, whose sum is σ = 148457658. Its totient is φ = 148457656.

The previous prime is 148457633. The next prime is 148457681. The reversal of 148457657 is 756754841.

It is a balanced prime because it is at equal distance from previous prime (148457633) and next prime (148457681).

It can be written as a sum of positive squares in only one way, i.e., 115326121 + 33131536 = 10739^2 + 5756^2 .

It is a cyclic number.

It is not a de Polignac number, because 148457657 - 2⁸ = 148457401 is a prime.

It is not a weakly prime, because it can be changed into another prime (148457557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74228828 + 74228829.

It is an arithmetic number, because the mean of its divisors is an integer number (74228829).

Almost surely, 2^148457657 is an apocalyptic number.

It is an amenable number.

148457657 is a deficient number, since it is larger than the sum of its proper divisors (1).

148457657 is an equidigital number, since it uses as much as digits as its factorization.

148457657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 47.

The square root of 148457657 is about 12184.3201287556. The cubic root of 148457657 is about 529.5019136828.

The spelling of 148457657 in words is "one hundred forty-eight million, four hundred fifty-seven thousand, six hundred fifty-seven".