142515240017 has 18 divisors (see below), whose sum is σ = 148661412354. Its totient is φ = 136618473120.

The previous prime is 142515240013. The next prime is 142515240019. The reversal of 142515240017 is 710042515241.

It can be written as a sum of positive squares in only one way, i.e., 93125066896 + 49390173121 = 305164^2 + 222239^2 .

It is not a de Polignac number, because 142515240017 - 2² = 142515240013 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142515240011) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10996013 + ... + 11008965.

It is an arithmetic number, because the mean of its divisors is an integer number (8258967353).

Almost surely, 2^142515240017 is an apocalyptic number.

It is an amenable number.

142515240017 is a deficient number, since it is larger than the sum of its proper divisors (6146172337).

142515240017 is an equidigital number, since it uses as much as digits as its factorization.

142515240017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229 (or 13091 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 142515240017 its reverse (710042515241), we get a palindrome (852557755258).

The spelling of 142515240017 in words is "one hundred forty-two billion, five hundred fifteen million, two hundred forty thousand, seventeen".