142739468944 has 40 divisors (see below), whose sum is σ = 278417503800. Its totient is φ = 70890114048.

The previous prime is 142739468923. The next prime is 142739468957. The reversal of 142739468944 is 449864937241.

It can be written as a sum of positive squares in 4 ways, for example, as 59340960000 + 83398508944 = 243600^2 + 288788^2 .

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, 8565132 + ... + 8581780.

It is an arithmetic number, because the mean of its divisors is an integer number (6960437595).

Almost surely, 2^142739468944 is an apocalyptic number.

It is an amenable number.

142739468944 is a deficient number, since it is larger than the sum of its proper divisors (135678034856).

142739468944 is a wasteful number, since it uses less digits than its factorization.

142739468944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20227 (or 20221 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 142739468944 in words is "one hundred forty-two billion, seven hundred thirty-nine million, four hundred sixty-eight thousand, nine hundred forty-four".