142939608 has 64 divisors (see below), whose sum is σ = 422496000. Its totient is φ = 39430272.

The previous prime is 142939567. The next prime is 142939619. The reversal of 142939608 is 806939241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 142939608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9798 + ... + 19541.

It is an arithmetic number, because the mean of its divisors is an integer number (6601500).

Almost surely, 2^142939608 is an apocalyptic number.

It is an amenable number.

142939608 is an abundant number, since it is smaller than the sum of its proper divisors (279556392).

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

142939608 is a wasteful number, since it uses less digits than its factorization.

142939608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29384 (or 29380 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 142939608 is about 11955.7353600688. The cubic root of 142939608 is about 522.8585276152.

The spelling of 142939608 in words is "one hundred forty-two million, nine hundred thirty-nine thousand, six hundred eight".