142840353547724 has 72 divisors (see below), whose sum is σ = 290916638047728. Its totient is φ = 61188987565440.

The previous prime is 142840353547709. The next prime is 142840353547729. The reversal of 142840353547724 is 427745353048241.

It is not an unprimeable number, because it can be changed into a prime (142840353547729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4721511782 + ... + 4721542034.

It is an arithmetic number, because the mean of its divisors is an integer number (4040508861774).

Almost surely, 2^{142840353547724} is an apocalyptic number.

142840353547724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142840353547724 is an abundant number, since it is smaller than the sum of its proper divisors (148076284500004).

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

142840353547724 is a wasteful number, since it uses less digits than its factorization.

142840353547724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40615 (or 40606 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 59.

The spelling of 142840353547724 in words is "one hundred forty-two trillion, eight hundred forty billion, three hundred fifty-three million, five hundred forty-seven thousand, seven hundred twenty-four".