142791415444 has 6 divisors (see below), whose sum is σ = 249884977034. Its totient is φ = 71395707720.

The previous prime is 142791415439. The next prime is 142791415457. The reversal of 142791415444 is 444514197241.

It can be written as a sum of positive squares in only one way, i.e., 115727875344 + 27063540100 = 340188^2 + 164510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142791415394 and 142791415403.

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, 17848926927 + ... + 17848926934.

Almost surely, 2^142791415444 is an apocalyptic number.

It is an amenable number.

142791415444 is a deficient number, since it is larger than the sum of its proper divisors (107093561590).

142791415444 is a wasteful number, since it uses less digits than its factorization.

142791415444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35697853865 (or 35697853863 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The spelling of 142791415444 in words is "one hundred forty-two billion, seven hundred ninety-one million, four hundred fifteen thousand, four hundred forty-four".