142813038 has 16 divisors (see below), whose sum is σ = 285746256. Its totient is φ = 47584320.

The previous prime is 142812997. The next prime is 142813043. The reversal of 142813038 is 830318241.

It is a junction number, because it is equal to n+sod(n) for n = 142812996 and 142813014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20220 + ... + 26352.

It is an arithmetic number, because the mean of its divisors is an integer number (17859141).

Almost surely, 2^142813038 is an apocalyptic number.

142813038 is an abundant number, since it is smaller than the sum of its proper divisors (142933218).

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

142813038 is a wasteful number, since it uses less digits than its factorization.

142813038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 142813038 is about 11950.4409123680. The cubic root of 142813038 is about 522.7041553188.

The spelling of 142813038 in words is "one hundred forty-two million, eight hundred thirteen thousand, thirty-eight".