142610831 has 12 divisors (see below), whose sum is σ = 158983080. Its totient is φ = 126866160.

The previous prime is 142610821. The next prime is 142610837. The reversal of 142610831 is 138016241.

It is a de Polignac number, because none of the positive numbers 2^k-142610831 is a prime.

It is a super-2 number, since 2×142610831² = 40675698237021122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142610831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142610837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21365 + ... + 27233.

It is an arithmetic number, because the mean of its divisors is an integer number (13248590).

Almost surely, 2^142610831 is an apocalyptic number.

142610831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142610831 is a deficient number, since it is larger than the sum of its proper divisors (16372249).

142610831 is an equidigital number, since it uses as much as digits as its factorization.

142610831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974 (or 5927 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 142610831 is about 11941.9776837842. The cubic root of 142610831 is about 522.4573422742.

The spelling of 142610831 in words is "one hundred forty-two million, six hundred ten thousand, eight hundred thirty-one".