142613621244 has 48 divisors (see below), whose sum is σ = 385814634240. Its totient is φ = 45471008880.

The previous prime is 142613621219. The next prime is 142613621317. The reversal of 142613621244 is 442126316241.

142613621244 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 1 + 3 + 621 + 24 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142613621199 and 142613621208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28703962 + ... + 28708929.

It is an arithmetic number, because the mean of its divisors is an integer number (8037804880).

Almost surely, 2^142613621244 is an apocalyptic number.

It is an amenable number.

142613621244 is an abundant number, since it is smaller than the sum of its proper divisors (243201012996).

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

142613621244 is a wasteful number, since it uses less digits than its factorization.

142613621244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57412927 (or 57412919 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 142613621244 its reverse (442126316241), we get a palindrome (584739937485).

The spelling of 142613621244 in words is "one hundred forty-two billion, six hundred thirteen million, six hundred twenty-one thousand, two hundred forty-four".