142422551402 has 32 divisors (see below), whose sum is σ = 231306401280. Its totient is φ = 65540249280.

The previous prime is 142422551399. The next prime is 142422551471. The reversal of 142422551402 is 204155224241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852743 + ... + 1005989.

It is an arithmetic number, because the mean of its divisors is an integer number (7228325040).

Almost surely, 2^142422551402 is an apocalyptic number.

142422551402 is a deficient number, since it is larger than the sum of its proper divisors (88883849878).

142422551402 is a wasteful number, since it uses less digits than its factorization.

142422551402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153966.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 142422551402 its reverse (204155224241), we get a palindrome (346577775643).

The spelling of 142422551402 in words is "one hundred forty-two billion, four hundred twenty-two million, five hundred fifty-one thousand, four hundred two".