142606931724 has 120 divisors (see below), whose sum is σ = 385059806208. Its totient is φ = 45974602080.

The previous prime is 142606931723. The next prime is 142606931729. The reversal of 142606931724 is 427139606241.

142606931724 is a `hidden beast` number, since 1 + 4 + 2 + 606 + 9 + 3 + 17 + 24 = 666.

It is a super-2 number, since 2×142606931724² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142606931724.

It is not an unprimeable number, because it can be changed into a prime (142606931723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22766617 + ... + 22772879.

Almost surely, 2^142606931724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142606931724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192529903104).

142606931724 is an abundant number, since it is smaller than the sum of its proper divisors (242452874484).

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

142606931724 is a wasteful number, since it uses less digits than its factorization.

142606931724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577 (or 8566 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 142606931724 in words is "one hundred forty-two billion, six hundred six million, nine hundred thirty-one thousand, seven hundred twenty-four".