148542172 has 12 divisors (see below), whose sum is σ = 260869336. Its totient is φ = 74008080.

The previous prime is 148542151. The next prime is 148542181. The reversal of 148542172 is 271245841.

148542172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64479 + ... + 66742.

Almost surely, 2^148542172 is an apocalyptic number.

It is an amenable number.

148542172 is a deficient number, since it is larger than the sum of its proper divisors (112327164).

148542172 is a wasteful number, since it uses less digits than its factorization.

148542172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131508 (or 131506 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 148542172 is about 12187.7878222424. The cubic root of 148542172 is about 529.6023741234.

The spelling of 148542172 in words is "one hundred forty-eight million, five hundred forty-two thousand, one hundred seventy-two".