142021404102 has 16 divisors (see below), whose sum is σ = 289402107120. Its totient is φ = 46447251552.

The previous prime is 142021404067. The next prime is 142021404121. The reversal of 142021404102 is 201404120241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223303777 + ... + 223304412.

It is an arithmetic number, because the mean of its divisors is an integer number (18087631695).

Almost surely, 2^142021404102 is an apocalyptic number.

142021404102 is an abundant number, since it is smaller than the sum of its proper divisors (147380703018).

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

142021404102 is a wasteful number, since it uses less digits than its factorization.

142021404102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446608247.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 142021404102 its reverse (201404120241), we get a palindrome (343425524343).

The spelling of 142021404102 in words is "one hundred forty-two billion, twenty-one million, four hundred four thousand, one hundred two".