142740237844 has 12 divisors (see below), whose sum is σ = 249929224384. Its totient is φ = 71331888024.

The previous prime is 142740237823. The next prime is 142740237847. The reversal of 142740237844 is 448732047241.

It is a junction number, because it is equal to n+sod(n) for n = 142740237794 and 142740237803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142740237847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9549324 + ... + 9564259.

Almost surely, 2^142740237844 is an apocalyptic number.

It is an amenable number.

142740237844 is a deficient number, since it is larger than the sum of its proper divisors (107188986540).

142740237844 is a wasteful number, since it uses less digits than its factorization.

142740237844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115454 (or 19115452 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 46.

The spelling of 142740237844 in words is "one hundred forty-two billion, seven hundred forty million, two hundred thirty-seven thousand, eight hundred forty-four".