144941472 has 72 divisors (see below), whose sum is σ = 443894724. Its totient is φ = 44596224.

The previous prime is 144941431. The next prime is 144941477. The reversal of 144941472 is 274149441.

144941472 is a `hidden beast` number, since 144 + 9 + 41 + 472 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 144865296 + 76176 = 12036^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (144941477) 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, 15613 + ... + 23100.

Almost surely, 2^144941472 is an apocalyptic number.

144941472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144941472 is an abundant number, since it is smaller than the sum of its proper divisors (298953252).

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

144941472 is a wasteful number, since it uses less digits than its factorization.

144941472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38742 (or 38731 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 144941472 is about 12039.1640905837. The cubic root of 144941472 is about 525.2880922215.

The spelling of 144941472 in words is "one hundred forty-four million, nine hundred forty-one thousand, four hundred seventy-two".