142449113620 has 48 divisors (see below), whose sum is σ = 326629130688. Its totient is φ = 51753461760.

The previous prime is 142449113617. The next prime is 142449113647. The reversal of 142449113620 is 26311944241.

It is a super-2 number, since 2×142449113620² (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 142449113620.

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, 41229 + ... + 535348.

It is an arithmetic number, because the mean of its divisors is an integer number (6804773556).

Almost surely, 2^142449113620 is an apocalyptic number.

142449113620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142449113620 is an abundant number, since it is smaller than the sum of its proper divisors (184180017068).

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

142449113620 is a wasteful number, since it uses less digits than its factorization.

142449113620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577720 (or 577718 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 142449113620 in words is "one hundred forty-two billion, four hundred forty-nine million, one hundred thirteen thousand, six hundred twenty".