149868942 has 32 divisors (see below), whose sum is σ = 310210560. Its totient is φ = 48219360.

The previous prime is 149868931. The next prime is 149868949. The reversal of 149868942 is 249868941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149868949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93883 + ... + 95465.

It is an arithmetic number, because the mean of its divisors is an integer number (9694080).

Almost surely, 2^149868942 is an apocalyptic number.

149868942 is an abundant number, since it is smaller than the sum of its proper divisors (160341618).

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

149868942 is a wasteful number, since it uses less digits than its factorization.

149868942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its digits is 995328, while the sum is 51.

The square root of 149868942 is about 12242.0971242676. The cubic root of 149868942 is about 531.1744951608.

Subtracting 149868942 from its reverse (249868941), we obtain a palindrome (99999999).

The spelling of 149868942 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, nine hundred forty-two".