142683331 has 32 divisors (see below), whose sum is σ = 178956800. Its totient is φ = 111041280.

The previous prime is 142683319. The next prime is 142683337. The reversal of 142683331 is 133386241.

It is not a de Polignac number, because 142683331 - 2²⁷ = 8465603 is a prime.

It is a super-2 number, since 2×142683331² = 40717065890511122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142683293 and 142683302.

It is not an unprimeable number, because it can be changed into a prime (142683337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348655 + ... + 349063.

It is an arithmetic number, because the mean of its divisors is an integer number (5592400).

Almost surely, 2^142683331 is an apocalyptic number.

142683331 is a deficient number, since it is larger than the sum of its proper divisors (36273469).

142683331 is a wasteful number, since it uses less digits than its factorization.

142683331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539.

The product of its digits is 10368, while the sum is 31.

The square root of 142683331 is about 11945.0128086997. The cubic root of 142683331 is about 522.5458622930.

The spelling of 142683331 in words is "one hundred forty-two million, six hundred eighty-three thousand, three hundred thirty-one".