142542350531 has 16 divisors (see below), whose sum is σ = 163283700480. Its totient is φ = 121895759520.

The previous prime is 142542350513. The next prime is 142542350549. The reversal of 142542350531 is 135053245241.

It is an interprime number because it is at equal distance from previous prime (142542350513) and next prime (142542350549).

It is a cyclic number.

It is not a de Polignac number, because 142542350531 - 2¹⁰ = 142542349507 is a prime.

It is a super-2 number, since 2×142542350531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142542350491 and 142542350500.

It is not an unprimeable number, because it can be changed into a prime (142542350131) 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, 9304580 + ... + 9319886.

It is an arithmetic number, because the mean of its divisors is an integer number (10205231280).

Almost surely, 2^142542350531 is an apocalyptic number.

142542350531 is a deficient number, since it is larger than the sum of its proper divisors (20741349949).

142542350531 is a wasteful number, since it uses less digits than its factorization.

142542350531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18314.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 142542350531 its reverse (135053245241), we get a palindrome (277595595772).

The spelling of 142542350531 in words is "one hundred forty-two billion, five hundred forty-two million, three hundred fifty thousand, five hundred thirty-one".