142589344 has 24 divisors (see below), whose sum is σ = 281238048. Its totient is φ = 71163840.

The previous prime is 142589339. The next prime is 142589383. The reversal of 142589344 is 443985241.

It is a junction number, because it is equal to n+sod(n) for n = 142589297 and 142589306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14989 + ... + 22579.

It is an arithmetic number, because the mean of its divisors is an integer number (11718252).

Almost surely, 2^142589344 is an apocalyptic number.

It is an amenable number.

142589344 is a deficient number, since it is larger than the sum of its proper divisors (138648704).

142589344 is an equidigital number, since it uses as much as digits as its factorization.

142589344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188 (or 8180 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 142589344 is about 11941.0780082872. The cubic root of 142589344 is about 522.4311016194.

The spelling of 142589344 in words is "one hundred forty-two million, five hundred eighty-nine thousand, three hundred forty-four".