148457057 has 4 divisors (see below), whose sum is σ = 169665216. Its totient is φ = 127248900.

The previous prime is 148457021. The next prime is 148457063. The reversal of 148457057 is 750754841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148457057 - 2¹² = 148452961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148457087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10604069 + ... + 10604082.

It is an arithmetic number, because the mean of its divisors is an integer number (42416304).

Almost surely, 2^148457057 is an apocalyptic number.

It is an amenable number.

148457057 is a deficient number, since it is larger than the sum of its proper divisors (21208159).

148457057 is an equidigital number, since it uses as much as digits as its factorization.

148457057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21208158.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 148457057 is about 12184.2955069220. The cubic root of 148457057 is about 529.5012003446.

The spelling of 148457057 in words is "one hundred forty-eight million, four hundred fifty-seven thousand, fifty-seven".