142534513 has 16 divisors (see below), whose sum is σ = 157722624. Its totient is φ = 127733760.

The previous prime is 142534499. The next prime is 142534517. The reversal of 142534513 is 315435241.

It is a de Polignac number, because none of the positive numbers 2^k-142534513 is a prime.

It is a super-2 number, since 2×142534513² = 40632174792294338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142534517) 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, 358831 + ... + 359227.

It is an arithmetic number, because the mean of its divisors is an integer number (9857664).

Almost surely, 2^142534513 is an apocalyptic number.

It is an amenable number.

142534513 is a deficient number, since it is larger than the sum of its proper divisors (15188111).

142534513 is a wasteful number, since it uses less digits than its factorization.

142534513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its digits is 7200, while the sum is 28.

The square root of 142534513 is about 11938.7818892884. The cubic root of 142534513 is about 522.3641281896.

Adding to 142534513 its reverse (315435241), we get a palindrome (457969754).

The spelling of 142534513 in words is "one hundred forty-two million, five hundred thirty-four thousand, five hundred thirteen".