144455544 has 48 divisors (see below), whose sum is σ = 395647200. Its totient is φ = 47608704.

The previous prime is 144455527. The next prime is 144455599. The reversal of 144455544 is 445554441.

144455544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144455499 and 144455508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4864 + ... + 17679.

It is an arithmetic number, because the mean of its divisors is an integer number (8242650).

Almost surely, 2^144455544 is an apocalyptic number.

It is an amenable number.

144455544 is an abundant number, since it is smaller than the sum of its proper divisors (251191656).

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

144455544 is a wasteful number, since it uses less digits than its factorization.

144455544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22644 (or 22637 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 144455544 is about 12018.9660120994. The cubic root of 144455544 is about 524.7004113867.

The spelling of 144455544 in words is "one hundred forty-four million, four hundred fifty-five thousand, five hundred forty-four".