144963220944 has 40 divisors (see below), whose sum is σ = 374680706400. Its totient is φ = 48296249728.

The previous prime is 144963220943. The next prime is 144963220949. The reversal of 144963220944 is 449022369441.

It is a happy number.

It is a super-2 number, since 2×144963220944² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 144963220893 and 144963220902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144963220943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681222 + ... + 868325.

It is an arithmetic number, because the mean of its divisors is an integer number (9367017660).

Almost surely, 2^144963220944 is an apocalyptic number.

It is an amenable number.

144963220944 is an abundant number, since it is smaller than the sum of its proper divisors (229717485456).

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

144963220944 is a wasteful number, since it uses less digits than its factorization.

144963220944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551507 (or 1551501 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 144963220944 in words is "one hundred forty-four billion, nine hundred sixty-three million, two hundred twenty thousand, nine hundred forty-four".