42339144 has 32 divisors (see below), whose sum is σ = 111420000. Its totient is φ = 13370112.

The previous prime is 42339139. The next prime is 42339191. The reversal of 42339144 is 44193324.

It is a super-2 number, since 2×42339144² = 3585206229305472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45969 + ... + 46880.

It is an arithmetic number, because the mean of its divisors is an integer number (3481875).

Almost surely, 2^42339144 is an apocalyptic number.

It is an amenable number.

42339144 is an abundant number, since it is smaller than the sum of its proper divisors (69080856).

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

42339144 is a wasteful number, since it uses less digits than its factorization.

42339144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92877 (or 92873 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 42339144 is about 6506.8536175328. The cubic root of 42339144 is about 348.5357713618.

The spelling of 42339144 in words is "forty-two million, three hundred thirty-nine thousand, one hundred forty-four".