142551804 has 24 divisors (see below), whose sum is σ = 335917008. Its totient is φ = 47046400.

The previous prime is 142551779. The next prime is 142551833. The reversal of 142551804 is 408155241.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57597 + ... + 60020.

It is an arithmetic number, because the mean of its divisors is an integer number (13996542).

Almost surely, 2^142551804 is an apocalyptic number.

It is an amenable number.

142551804 is an abundant number, since it is smaller than the sum of its proper divisors (193365204).

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

142551804 is a wasteful number, since it uses less digits than its factorization.

142551804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117725 (or 117723 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 142551804 is about 11939.5060199323. The cubic root of 142551804 is about 522.3852501685.

The spelling of 142551804 in words is "one hundred forty-two million, five hundred fifty-one thousand, eight hundred four".