142020042102 has 48 divisors (see below), whose sum is σ = 323965614960. Its totient is φ = 44840091456.

The previous prime is 142020042079. The next prime is 142020042113. The reversal of 142020042102 is 201240020241.

142020042102 is a `hidden beast` number, since 1 + 42 + 0 + 200 + 421 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1952328 + ... + 2023764.

It is an arithmetic number, because the mean of its divisors is an integer number (6749283645).

Almost surely, 2^142020042102 is an apocalyptic number.

142020042102 is an abundant number, since it is smaller than the sum of its proper divisors (181945572858).

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

142020042102 is a wasteful number, since it uses less digits than its factorization.

142020042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77277 (or 77274 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 142020042102 its reverse (201240020241), we get a palindrome (343260062343).

The spelling of 142020042102 in words is "one hundred forty-two billion, twenty million, forty-two thousand, one hundred two".