142423402412144 has 40 divisors (see below), whose sum is σ = 315391964405088. Its totient is φ = 61033596053760.

The previous prime is 142423402412129. The next prime is 142423402412173. The reversal of 142423402412144 is 441214204324241.

It is a junction number, because it is equal to n+sod(n) for n = 142423402412098 and 142423402412107.

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, 50763047 + ... + 53495174.

Almost surely, 2^{142423402412144} is an apocalyptic number.

142423402412144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142423402412144 is an abundant number, since it is smaller than the sum of its proper divisors (172968561992944).

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

142423402412144 is a wasteful number, since it uses less digits than its factorization.

142423402412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104270433 (or 104270427 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 142423402412144 its reverse (441214204324241), we get a palindrome (583637606736385).

The spelling of 142423402412144 in words is "one hundred forty-two trillion, four hundred twenty-three billion, four hundred two million, four hundred twelve thousand, one hundred forty-four".