144778872312 has 64 divisors (see below), whose sum is σ = 423330048000. Its totient is φ = 45719642592.

The previous prime is 144778872307. The next prime is 144778872313. The reversal of 144778872312 is 213278877441.

It is a happy number.

144778872312 is a `hidden beast` number, since 14 + 477 + 88 + 72 + 3 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144778872313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17634648 + ... + 17642855.

It is an arithmetic number, because the mean of its divisors is an integer number (6614532000).

Almost surely, 2^144778872312 is an apocalyptic number.

144778872312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144778872312 is an abundant number, since it is smaller than the sum of its proper divisors (278551175688).

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

144778872312 is a wasteful number, since it uses less digits than its factorization.

144778872312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35277537 (or 35277527 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The spelling of 144778872312 in words is "one hundred forty-four billion, seven hundred seventy-eight million, eight hundred seventy-two thousand, three hundred twelve".