142424562531 has 16 divisors (see below), whose sum is σ = 202604865408. Its totient is φ = 88682256000.

The previous prime is 142424562431. The next prime is 142424562563. The reversal of 142424562531 is 135265424241.

It is not a de Polignac number, because 142424562531 - 2¹⁹ = 142424038243 is a prime.

It is a super-2 number, since 2×142424562531² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142424562531.

It is not an unprimeable number, because it can be changed into a prime (142424562431) 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 15 ways as a sum of consecutive naturals, for example, 10652245 + ... + 10665606.

It is an arithmetic number, because the mean of its divisors is an integer number (12662804088).

Almost surely, 2^142424562531 is an apocalyptic number.

142424562531 is a deficient number, since it is larger than the sum of its proper divisors (60180302877).

142424562531 is a wasteful number, since it uses less digits than its factorization.

142424562531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21318002.

The product of its digits is 230400, while the sum is 39.

Adding to 142424562531 its reverse (135265424241), we get a palindrome (277689986772).

The spelling of 142424562531 in words is "one hundred forty-two billion, four hundred twenty-four million, five hundred sixty-two thousand, five hundred thirty-one".