144919838460 has 48 divisors (see below), whose sum is σ = 429644700576. Its totient is φ = 36372037632.

The previous prime is 144919838447. The next prime is 144919838501. The reversal of 144919838460 is 64838919441.

It is a self number, because there is not a number n which added to its sum of digits gives 144919838460.

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, 71038117 + ... + 71040156.

It is an arithmetic number, because the mean of its divisors is an integer number (8950931262).

Almost surely, 2^144919838460 is an apocalyptic number.

144919838460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144919838460 is an abundant number, since it is smaller than the sum of its proper divisors (284724862116).

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

144919838460 is a wasteful number, since it uses less digits than its factorization.

144919838460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142078302 (or 142078300 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 144919838460 in words is "one hundred forty-four billion, nine hundred nineteen million, eight hundred thirty-eight thousand, four hundred sixty".