144543561456 has 80 divisors (see below), whose sum is σ = 445301927424. Its totient is φ = 39502586112.

The previous prime is 144543561427. The next prime is 144543561493. The reversal of 144543561456 is 654165345441.

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

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, 9344211 + ... + 9359666.

Almost surely, 2^144543561456 is an apocalyptic number.

144543561456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144543561456 is an abundant number, since it is smaller than the sum of its proper divisors (300758365968).

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

144543561456 is a wasteful number, since it uses less digits than its factorization.

144543561456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703918 (or 18703912 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The spelling of 144543561456 in words is "one hundred forty-four billion, five hundred forty-three million, five hundred sixty-one thousand, four hundred fifty-six".