148681948 has 18 divisors (see below), whose sum is σ = 262727808. Its totient is φ = 73619280.

The previous prime is 148681931. The next prime is 148681961. The reversal of 148681948 is 849186841.

It is a super-2 number, since 2×148681948² = 44212643322149408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274558 + ... + 275098.

Almost surely, 2^148681948 is an apocalyptic number.

It is an amenable number.

148681948 is a deficient number, since it is larger than the sum of its proper divisors (114045860).

148681948 is an equidigital number, since it uses as much as digits as its factorization.

148681948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 670 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 148681948 is about 12193.5207384906. The cubic root of 148681948 is about 529.7684380623.

The spelling of 148681948 in words is "one hundred forty-eight million, six hundred eighty-one thousand, nine hundred forty-eight".