148979394 has 24 divisors (see below), whose sum is σ = 323090352. Its totient is φ = 49613400.

The previous prime is 148979393. The next prime is 148979401. The reversal of 148979394 is 493979841.

148979394 is a `hidden beast` number, since 1 + 489 + 79 + 3 + 94 = 666.

148979394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 148979394.

It is not an unprimeable number, because it can be changed into a prime (148979393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19869 + ... + 26319.

It is an arithmetic number, because the mean of its divisors is an integer number (13462098).

Almost surely, 2^148979394 is an apocalyptic number.

148979394 is an abundant number, since it is smaller than the sum of its proper divisors (174110958).

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

148979394 is a wasteful number, since it uses less digits than its factorization.

148979394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742 (or 7739 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 148979394 is about 12205.7115319018. The cubic root of 148979394 is about 530.1214792147.

The spelling of 148979394 in words is "one hundred forty-eight million, nine hundred seventy-nine thousand, three hundred ninety-four".