147999942 has 24 divisors (see below), whose sum is σ = 323508744. Its totient is φ = 48896064.

The previous prime is 147999893. The next prime is 147999959. The reversal of 147999942 is 249999741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34348 + ... + 38415.

It is an arithmetic number, because the mean of its divisors is an integer number (13479531).

Almost surely, 2^147999942 is an apocalyptic number.

147999942 is an abundant number, since it is smaller than the sum of its proper divisors (175508802).

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

147999942 is a wasteful number, since it uses less digits than its factorization.

147999942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72884 (or 72881 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 147999942 is about 12165.5226768109. The cubic root of 147999942 is about 528.9571781714.

The spelling of 147999942 in words is "one hundred forty-seven million, nine hundred ninety-nine thousand, nine hundred forty-two".