148504491 has 12 divisors (see below), whose sum is σ = 223833168. Its totient is φ = 94698384.

The previous prime is 148504471. The next prime is 148504507. The reversal of 148504491 is 194405841.

148504491 is a `hidden beast` number, since 148 + 504 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 148504491 - 2⁶ = 148504427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148504471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358500 + ... + 358913.

It is an arithmetic number, because the mean of its divisors is an integer number (18652764).

Almost surely, 2^148504491 is an apocalyptic number.

148504491 is a deficient number, since it is larger than the sum of its proper divisors (75328677).

148504491 is a wasteful number, since it uses less digits than its factorization.

148504491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717442 (or 717439 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 148504491 is about 12186.2418735228. The cubic root of 148504491 is about 529.5575885597.

The spelling of 148504491 in words is "one hundred forty-eight million, five hundred four thousand, four hundred ninety-one".