144891633380 has 48 divisors (see below), whose sum is σ = 338977260720. Its totient is φ = 51653672448.

The previous prime is 144891633319. The next prime is 144891633421. The reversal of 144891633380 is 83336198441.

It can be written as a sum of positive squares in 8 ways, for example, as 71808676 + 144819824704 = 8474^2 + 380552^2 .

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, 9600659 + ... + 9615738.

It is an arithmetic number, because the mean of its divisors is an integer number (7062026265).

Almost surely, 2^144891633380 is an apocalyptic number.

144891633380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144891633380 is an abundant number, since it is smaller than the sum of its proper divisors (194085627340).

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

144891633380 is a wasteful number, since it uses less digits than its factorization.

144891633380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216448 (or 19216446 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 144891633380 in words is "one hundred forty-four billion, eight hundred ninety-one million, six hundred thirty-three thousand, three hundred eighty".