142014531 has 16 divisors (see below), whose sum is σ = 199606400. Its totient is φ = 89563968.

The previous prime is 142014511. The next prime is 142014539. The reversal of 142014531 is 135410241.

142014531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142014531 - 2⁷ = 142014403 is a prime.

It is a super-2 number, since 2×142014531² = 40336254030299922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142014498 and 142014507.

It is not an unprimeable number, because it can be changed into a prime (142014539) 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, 52080 + ... + 54738.

It is an arithmetic number, because the mean of its divisors is an integer number (12475400).

Almost surely, 2^142014531 is an apocalyptic number.

142014531 is a deficient number, since it is larger than the sum of its proper divisors (57591869).

142014531 is a wasteful number, since it uses less digits than its factorization.

142014531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 142014531 is about 11916.9849794317. The cubic root of 142014531 is about 521.7281397319.

Adding to 142014531 its reverse (135410241), we get a palindrome (277424772).

It can be divided in two parts, 1420 and 14531, that added together give a palindrome (15951).

The spelling of 142014531 in words is "one hundred forty-two million, fourteen thousand, five hundred thirty-one".