144401472 has 84 divisors (see below), whose sum is σ = 427305216. Its totient is φ = 46575360.

The previous prime is 144401459. The next prime is 144401473. The reversal of 144401472 is 274104441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144401473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13813 + ... + 21899.

Almost surely, 2^144401472 is an apocalyptic number.

144401472 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 144401472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213652608).

144401472 is an abundant number, since it is smaller than the sum of its proper divisors (282903744).

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

144401472 is a wasteful number, since it uses less digits than its factorization.

144401472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136 (or 8123 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 144401472 is about 12016.7163568090. The cubic root of 144401472 is about 524.6349353226.

The spelling of 144401472 in words is "one hundred forty-four million, four hundred one thousand, four hundred seventy-two".