144403572 has 48 divisors (see below), whose sum is σ = 357539840. Its totient is φ = 45232992.

The previous prime is 144403541. The next prime is 144403573. The reversal of 144403572 is 275304441.

144403572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144403573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26463 + ... + 31449.

Almost surely, 2^144403572 is an apocalyptic number.

144403572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144403572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178769920).

144403572 is an abundant number, since it is smaller than the sum of its proper divisors (213136268).

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

144403572 is a wasteful number, since it uses less digits than its factorization.

144403572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140 (or 5138 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 144403572 is about 12016.8037347707. The cubic root of 144403572 is about 524.6374785285.

The spelling of 144403572 in words is "one hundred forty-four million, four hundred three thousand, five hundred seventy-two".