148457564 has 24 divisors (see below), whose sum is σ = 275998800. Its totient is φ = 69672960.

The previous prime is 148457557. The next prime is 148457587. The reversal of 148457564 is 465754841.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 17244.

It is an arithmetic number, because the mean of its divisors is an integer number (11499950).

Almost surely, 2^148457564 is an apocalyptic number.

It is an amenable number.

148457564 is a deficient number, since it is larger than the sum of its proper divisors (127541236).

148457564 is a wasteful number, since it uses less digits than its factorization.

148457564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18053 (or 18051 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 148457564 is about 12184.3163123747. The cubic root of 148457564 is about 529.5018031155.

The spelling of 148457564 in words is "one hundred forty-eight million, four hundred fifty-seven thousand, five hundred sixty-four".