142311043 has 16 divisors (see below), whose sum is σ = 166681600. Its totient is φ = 121451400.

The previous prime is 142311031. The next prime is 142311047. The reversal of 142311043 is 340113241.

It is not a de Polignac number, because 142311043 - 2¹⁷ = 142179971 is a prime.

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 142311043.

It is not an unprimeable number, because it can be changed into a prime (142311047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92188 + ... + 93718.

It is an arithmetic number, because the mean of its divisors is an integer number (10417600).

Almost surely, 2^142311043 is an apocalyptic number.

142311043 is a deficient number, since it is larger than the sum of its proper divisors (24370557).

142311043 is an equidigital number, since it uses as much as digits as its factorization.

142311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 142311043 is about 11929.4192230804. The cubic root of 142311043 is about 522.0909925394.

Adding to 142311043 its reverse (340113241), we get a palindrome (482424284).

The spelling of 142311043 in words is "one hundred forty-two million, three hundred eleven thousand, forty-three".