142110431 has 8 divisors (see below), whose sum is σ = 143016720. Its totient is φ = 141207552.

The previous prime is 142110401. The next prime is 142110433. The reversal of 142110431 is 134011241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142110431 - 2²² = 137916127 is a prime.

It is a super-2 number, since 2×142110431² = 40390749198011522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142110433) by changing a digit.

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, 184415 + ... + 185183.

It is an arithmetic number, because the mean of its divisors is an integer number (17877090).

Almost surely, 2^142110431 is an apocalyptic number.

142110431 is a deficient number, since it is larger than the sum of its proper divisors (906289).

142110431 is an equidigital number, since it uses as much as digits as its factorization.

142110431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 142110431 is about 11921.0079691274. The cubic root of 142110431 is about 521.8455513568.

Adding to 142110431 its reverse (134011241), we get a palindrome (276121672).

The spelling of 142110431 in words is "one hundred forty-two million, one hundred ten thousand, four hundred thirty-one".