144238136460 has 96 divisors (see below), whose sum is σ = 440641555200. Its totient is φ = 34962090240.

The previous prime is 144238136453. The next prime is 144238136527. The reversal of 144238136460 is 64631832441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9647671 + ... + 9662609.

It is an arithmetic number, because the mean of its divisors is an integer number (4590016200).

Almost surely, 2^144238136460 is an apocalyptic number.

144238136460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144238136460 is an abundant number, since it is smaller than the sum of its proper divisors (296403418740).

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

144238136460 is a wasteful number, since it uses less digits than its factorization.

144238136460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29591 (or 29589 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 144238136460 in words is "one hundred forty-four billion, two hundred thirty-eight million, one hundred thirty-six thousand, four hundred sixty".