142390079244 has 36 divisors (see below), whose sum is σ = 411349118544. Its totient is φ = 40682879712.

The previous prime is 142390079233. The next prime is 142390079297. The reversal of 142390079244 is 442970093241.

142390079244 is a `hidden beast` number, since 14 + 2 + 390 + 0 + 7 + 9 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×142390079244² (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 142390079244.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282519747 + ... + 282520250.

It is an arithmetic number, because the mean of its divisors is an integer number (11426364404).

Almost surely, 2^142390079244 is an apocalyptic number.

142390079244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142390079244 is an abundant number, since it is smaller than the sum of its proper divisors (268959039300).

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

142390079244 is a wasteful number, since it uses less digits than its factorization.

142390079244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565040014 (or 565040009 counting only the distinct ones).

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

The spelling of 142390079244 in words is "one hundred forty-two billion, three hundred ninety million, seventy-nine thousand, two hundred forty-four".