142873788 has 24 divisors (see below), whose sum is σ = 333901008. Its totient is φ = 47549056.

The previous prime is 142873781. The next prime is 142873799. The reversal of 142873788 is 887378241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142873781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (13912542).

Almost surely, 2^142873788 is an apocalyptic number.

It is an amenable number.

142873788 is an abundant number, since it is smaller than the sum of its proper divisors (191027220).

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

142873788 is a wasteful number, since it uses less digits than its factorization.

142873788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893 (or 18891 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 142873788 is about 11952.9823893453. The cubic root of 142873788 is about 522.7782610083.

The spelling of 142873788 in words is "one hundred forty-two million, eight hundred seventy-three thousand, seven hundred eighty-eight".