142216023402 has 32 divisors (see below), whose sum is σ = 316050235200. Its totient is φ = 47403147024.

The previous prime is 142216023379. The next prime is 142216023407. The reversal of 142216023402 is 204320612241.

142216023402 is a `hidden beast` number, since 1 + 4 + 2 + 21 + 602 + 34 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142216023407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468813 + ... + 1562639.

It is an arithmetic number, because the mean of its divisors is an integer number (9876569850).

Almost surely, 2^142216023402 is an apocalyptic number.

142216023402 is an abundant number, since it is smaller than the sum of its proper divisors (173834211798).

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

142216023402 is a wasteful number, since it uses less digits than its factorization.

142216023402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121907 (or 121901 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 142216023402 its reverse (204320612241), we get a palindrome (346536635643).

The spelling of 142216023402 in words is "one hundred forty-two billion, two hundred sixteen million, twenty-three thousand, four hundred two".