142651808 has 48 divisors (see below), whose sum is σ = 304748640. Its totient is φ = 65339136.

The previous prime is 142651771. The next prime is 142651813. The reversal of 142651808 is 808156241.

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, 56591 + ... + 59057.

It is an arithmetic number, because the mean of its divisors is an integer number (6348930).

Almost surely, 2^142651808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142651808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152374320).

142651808 is an abundant number, since it is smaller than the sum of its proper divisors (162096832).

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

142651808 is a wasteful number, since it uses less digits than its factorization.

142651808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 142651808 is about 11943.6932311576. The cubic root of 142651808 is about 522.5073774742.

The spelling of 142651808 in words is "one hundred forty-two million, six hundred fifty-one thousand, eight hundred eight".