144572544 has 48 divisors (see below), whose sum is σ = 416025870. Its totient is φ = 48190464.

The previous prime is 144572537. The next prime is 144572557. The reversal of 144572544 is 445275441.

144572544 is a `hidden beast` number, since 1 + 4 + 45 + 72 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109998144 + 34574400 = 10488^2 + 5880^2 .

It is a tau number, because it is divible by the number of its divisors (48).

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 = 144572499 and 144572508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61597 + ... + 63900.

Almost surely, 2^144572544 is an apocalyptic number.

It is an amenable number.

144572544 is an abundant number, since it is smaller than the sum of its proper divisors (271453326).

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

144572544 is a wasteful number, since it uses less digits than its factorization.

144572544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125517 (or 125502 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 144572544 is about 12023.8323341604. The cubic root of 144572544 is about 524.8420313847.

The spelling of 144572544 in words is "one hundred forty-four million, five hundred seventy-two thousand, five hundred forty-four".