142022141402 has 4 divisors (see below), whose sum is σ = 213033212106. Its totient is φ = 71011070700.

The previous prime is 142022141381. The next prime is 142022141413. The reversal of 142022141402 is 204141220241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123707661841 + 18314479561 = 351721^2 + 135331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35505535349 + ... + 35505535352.

Almost surely, 2^142022141402 is an apocalyptic number.

142022141402 is a deficient number, since it is larger than the sum of its proper divisors (71011070704).

142022141402 is an equidigital number, since it uses as much as digits as its factorization.

142022141402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71011070703.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 142022141402 its reverse (204141220241), we get a palindrome (346163361643).

The spelling of 142022141402 in words is "one hundred forty-two billion, twenty-two million, one hundred forty-one thousand, four hundred two".