148931946 has 40 divisors (see below), whose sum is σ = 348236064. Its totient is φ = 47484360.

The previous prime is 148931933. The next prime is 148931947. The reversal of 148931946 is 649139841.

It is not an unprimeable number, because it can be changed into a prime (148931947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16260 + ... + 23711.

Almost surely, 2^148931946 is an apocalyptic number.

148931946 is an abundant number, since it is smaller than the sum of its proper divisors (199304118).

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

148931946 is a wasteful number, since it uses less digits than its factorization.

148931946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40008 (or 39999 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 148931946 is about 12203.7676969041. The cubic root of 148931946 is about 530.0651943061.

The spelling of 148931946 in words is "one hundred forty-eight million, nine hundred thirty-one thousand, nine hundred forty-six".