144307072 has 96 divisors (see below), whose sum is σ = 356147280. Its totient is φ = 57028608.

The previous prime is 144307069. The next prime is 144307073. The reversal of 144307072 is 270703441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 144307072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144307073) 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, 150948 + ... + 151900.

Almost surely, 2^144307072 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 144307072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178073640).

144307072 is an abundant number, since it is smaller than the sum of its proper divisors (211840208).

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

144307072 is an equidigital number, since it uses as much as digits as its factorization.

144307072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 144307072 is about 12012.7878529507. The cubic root of 144307072 is about 524.5205866869.

The spelling of 144307072 in words is "one hundred forty-four million, three hundred seven thousand, seventy-two".