142440000515 has 16 divisors (see below), whose sum is σ = 171961920000. Its totient is φ = 113263687680.

The previous prime is 142440000509. The next prime is 142440000529. The reversal of 142440000515 is 515000044241.

It is a de Polignac number, because none of the positive numbers 2^k-142440000515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133087 + ... + 1252503.

It is an arithmetic number, because the mean of its divisors is an integer number (10747620000).

Almost surely, 2^142440000515 is an apocalyptic number.

142440000515 is a deficient number, since it is larger than the sum of its proper divisors (29521919485).

142440000515 is a wasteful number, since it uses less digits than its factorization.

142440000515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120862.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 142440000515 its reverse (515000044241), we get a palindrome (657440044756).

The spelling of 142440000515 in words is "one hundred forty-two billion, four hundred forty million, five hundred fifteen", and thus it is an aban number.