142140305502 has 24 divisors (see below), whose sum is σ = 331660713384. Its totient is φ = 43735478544.

The previous prime is 142140305477. The next prime is 142140305519. The reversal of 142140305502 is 205503041241.

142140305502 is a `hidden beast` number, since 1 + 42 + 1 + 40 + 30 + 550 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303718368 + ... + 303718835.

It is an arithmetic number, because the mean of its divisors is an integer number (13819196391).

Almost surely, 2^142140305502 is an apocalyptic number.

142140305502 is an abundant number, since it is smaller than the sum of its proper divisors (189520407882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142140305502 is a wasteful number, since it uses less digits than its factorization.

142140305502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607437224 (or 607437221 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 142140305502 its reverse (205503041241), we get a palindrome (347643346743).

The spelling of 142140305502 in words is "one hundred forty-two billion, one hundred forty million, three hundred five thousand, five hundred two".