148138672 has 20 divisors (see below), whose sum is σ = 313111656. Its totient is φ = 67335680.

The previous prime is 148138651. The next prime is 148138709. The reversal of 148138672 is 276831841.

It is a super-2 number, since 2×148138672² = 43890132283847168, which contains 22 as substring.

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, 420673 + ... + 421024.

Almost surely, 2^148138672 is an apocalyptic number.

It is an amenable number.

148138672 is an abundant number, since it is smaller than the sum of its proper divisors (164972984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148138672 is a wasteful number, since it uses less digits than its factorization.

148138672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841716 (or 841710 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 148138672 is about 12171.2231102712. The cubic root of 148138672 is about 529.1224019132.

The spelling of 148138672 in words is "one hundred forty-eight million, one hundred thirty-eight thousand, six hundred seventy-two".