144661746544 has 40 divisors (see below), whose sum is σ = 320346684000. Its totient is φ = 61993198848.

The previous prime is 144661746539. The next prime is 144661746637. The reversal of 144661746544 is 445647166441.

It is a junction number, because it is equal to n+sod(n) for n = 144661746491 and 144661746500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722882 + ... + 1804894.

It is an arithmetic number, because the mean of its divisors is an integer number (8008667100).

Almost surely, 2^144661746544 is an apocalyptic number.

144661746544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144661746544 is an abundant number, since it is smaller than the sum of its proper divisors (175684937456).

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

144661746544 is a wasteful number, since it uses less digits than its factorization.

144661746544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97777 (or 97771 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 52.

The spelling of 144661746544 in words is "one hundred forty-four billion, six hundred sixty-one million, seven hundred forty-six thousand, five hundred forty-four".