142394158650 has 96 divisors (see below), whose sum is σ = 366035143680. Its totient is φ = 36609059520.

The previous prime is 142394158633. The next prime is 142394158681. The reversal of 142394158650 is 56851493241.

142394158650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142394158650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321621 + ... + 623079.

It is an arithmetic number, because the mean of its divisors is an integer number (3812866080).

Almost surely, 2^142394158650 is an apocalyptic number.

142394158650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142394158650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183017571840).

142394158650 is an abundant number, since it is smaller than the sum of its proper divisors (223640985030).

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

142394158650 is a wasteful number, since it uses less digits than its factorization.

142394158650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301588 (or 301583 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 142394158650 in words is "one hundred forty-two billion, three hundred ninety-four million, one hundred fifty-eight thousand, six hundred fifty".