142041431 has 8 divisors (see below), whose sum is σ = 165396384. Its totient is φ = 119452320.

The previous prime is 142041413. The next prime is 142041433. The reversal of 142041431 is 134140241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142041431 is a prime.

It is a super-2 number, since 2×142041431² = 40351536241055522, 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 (142041433) 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, 191060 + ... + 191801.

It is an arithmetic number, because the mean of its divisors is an integer number (20674548).

Almost surely, 2^142041431 is an apocalyptic number.

142041431 is a deficient number, since it is larger than the sum of its proper divisors (23354953).

142041431 is an equidigital number, since it uses as much as digits as its factorization.

142041431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382921.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142041431 is about 11918.1135671716. The cubic root of 142041431 is about 521.7610790864.

Adding to 142041431 its reverse (134140241), we get a palindrome (276181672).

The spelling of 142041431 in words is "one hundred forty-two million, forty-one thousand, four hundred thirty-one".