142205243102 has 16 divisors (see below), whose sum is σ = 230212328640. Its totient is φ = 65491427232.

The previous prime is 142205243099. The next prime is 142205243119. The reversal of 142205243102 is 201342502241.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 5894477 + ... + 5918552.

It is an arithmetic number, because the mean of its divisors is an integer number (14388270540).

Almost surely, 2^142205243102 is an apocalyptic number.

142205243102 is a deficient number, since it is larger than the sum of its proper divisors (88007085538).

142205243102 is a wasteful number, since it uses less digits than its factorization.

142205243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813507.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 142205243102 its reverse (201342502241), we get a palindrome (343547745343).

The spelling of 142205243102 in words is "one hundred forty-two billion, two hundred five million, two hundred forty-three thousand, one hundred two".