142239768654 has 64 divisors (see below), whose sum is σ = 297328711680. Its totient is φ = 45312773760.

The previous prime is 142239768653. The next prime is 142239768659. The reversal of 142239768654 is 456867932241.

It is a junction number, because it is equal to n+sod(n) for n = 142239768594 and 142239768603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142239768653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6212692 + ... + 6235544.

It is an arithmetic number, because the mean of its divisors is an integer number (4645761120).

Almost surely, 2^142239768654 is an apocalyptic number.

142239768654 is an abundant number, since it is smaller than the sum of its proper divisors (155088943026).

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

142239768654 is a wasteful number, since it uses less digits than its factorization.

142239768654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23305.

The product of its digits is 17418240, while the sum is 57.

The spelling of 142239768654 in words is "one hundred forty-two billion, two hundred thirty-nine million, seven hundred sixty-eight thousand, six hundred fifty-four".