144545544 has 192 divisors, whose sum is σ = 467812800. Its totient is φ = 39744000.

The previous prime is 144545537. The next prime is 144545561. The reversal of 144545544 is 445545441.

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 = 144545499 and 144545508.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1039827 + ... + 1039965.

It is an arithmetic number, because the mean of its divisors is an integer number (2436525).

Almost surely, 2^144545544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144545544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233906400).

144545544 is an abundant number, since it is smaller than the sum of its proper divisors (323267256).

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

144545544 is a wasteful number, since it uses less digits than its factorization.

144545544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 269 counting only the distinct ones).

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

The square root of 144545544 is about 12022.7095115868. The cubic root of 144545544 is about 524.8093566303.

The spelling of 144545544 in words is "one hundred forty-four million, five hundred forty-five thousand, five hundred forty-four".