142423440220524 has 48 divisors (see below), whose sum is σ = 332897259340800. Its totient is φ = 47392213561536.

The previous prime is 142423440220519. The next prime is 142423440220543. The reversal of 142423440220524 is 425022044324241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255552682 + ... + 256109390.

It is an arithmetic number, because the mean of its divisors is an integer number (6935359569600).

Almost surely, 2^{142423440220524} is an apocalyptic number.

It is an amenable number.

142423440220524 is an abundant number, since it is smaller than the sum of its proper divisors (190473819120276).

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

142423440220524 is a wasteful number, since it uses less digits than its factorization.

142423440220524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593622 (or 593620 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 39.

Adding to 142423440220524 its reverse (425022044324241), we get a palindrome (567445484544765).

The spelling of 142423440220524 in words is "one hundred forty-two trillion, four hundred twenty-three billion, four hundred forty million, two hundred twenty thousand, five hundred twenty-four".