148564971 has 12 divisors (see below), whose sum is σ = 225888520. Its totient is φ = 93830400.

The previous prime is 148564939. The next prime is 148564973. The reversal of 148564971 is 179465841.

148564971 is a `hidden beast` number, since 14 + 8 + 564 + 9 + 71 = 666.

It is not a de Polignac number, because 148564971 - 2⁵ = 148564939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148564973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434230 + ... + 434571.

Almost surely, 2^148564971 is an apocalyptic number.

148564971 is a deficient number, since it is larger than the sum of its proper divisors (77323549).

148564971 is a wasteful number, since it uses less digits than its factorization.

148564971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868826 (or 868823 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 148564971 is about 12188.7231078567. The cubic root of 148564971 is about 529.6294680830.

The spelling of 148564971 in words is "one hundred forty-eight million, five hundred sixty-four thousand, nine hundred seventy-one".