142444200131420 has 48 divisors (see below), whose sum is σ = 327596466905568. Its totient is φ = 51596342722560.

The previous prime is 142444200131417. The next prime is 142444200131501. The reversal of 142444200131420 is 24131002444241.

It is a congruent number.

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, 1259619797 + ... + 1259732876.

It is an arithmetic number, because the mean of its divisors is an integer number (6824926393866).

Almost surely, 2^{142444200131420} is an apocalyptic number.

142444200131420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142444200131420 is an abundant number, since it is smaller than the sum of its proper divisors (185152266774148).

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

142444200131420 is a wasteful number, since it uses less digits than its factorization.

142444200131420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519352950 (or 2519352948 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 142444200131420 its reverse (24131002444241), we get a palindrome (166575202575661).

The spelling of 142444200131420 in words is "one hundred forty-two trillion, four hundred forty-four billion, two hundred million, one hundred thirty-one thousand, four hundred twenty".