142515506655 has 24 divisors (see below), whose sum is σ = 248087097648. Its totient is φ = 75682048896.

The previous prime is 142515506629. The next prime is 142515506657. The reversal of 142515506655 is 556605515241.

It is a happy number.

142515506655 is a `hidden beast` number, since 1 + 42 + 5 + 1 + 550 + 6 + 6 + 55 = 666.

It is not a de Polignac number, because 142515506655 - 2¹⁵ = 142515473887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 142515506655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142515506657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6785677 + ... + 6806646.

It is an arithmetic number, because the mean of its divisors is an integer number (10336962402).

Almost surely, 2^142515506655 is an apocalyptic number.

142515506655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142515506655 is a deficient number, since it is larger than the sum of its proper divisors (105571590993).

142515506655 is a wasteful number, since it uses less digits than its factorization.

142515506655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13592567 (or 13592564 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 142515506655 in words is "one hundred forty-two billion, five hundred fifteen million, five hundred six thousand, six hundred fifty-five".