142400122143022 has 4 divisors (see below), whose sum is σ = 213600183214536. Its totient is φ = 71200061071510.

The previous prime is 142400122143017. The next prime is 142400122143109. The reversal of 142400122143022 is 220341221004241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35600030535754 + ... + 35600030535757.

It is an arithmetic number, because the mean of its divisors is an integer number (53400045803634).

Almost surely, 2^{142400122143022} is an apocalyptic number.

142400122143022 is a deficient number, since it is larger than the sum of its proper divisors (71200061071514).

142400122143022 is an equidigital number, since it uses as much as digits as its factorization.

142400122143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71200061071513.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142400122143022 its reverse (220341221004241), we get a palindrome (362741343147263).

The spelling of 142400122143022 in words is "one hundred forty-two trillion, four hundred billion, one hundred twenty-two million, one hundred forty-three thousand, twenty-two".