144429072 has 80 divisors (see below), whose sum is σ = 381308928. Its totient is φ = 47099520.

The previous prime is 144429067. The next prime is 144429097. The reversal of 144429072 is 270924441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647553 + ... + 647775.

Almost surely, 2^144429072 is an apocalyptic number.

144429072 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 144429072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190654464).

144429072 is an abundant number, since it is smaller than the sum of its proper divisors (236879856).

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

144429072 is a wasteful number, since it uses less digits than its factorization.

144429072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 144429072 is about 12017.8647021840. The cubic root of 144429072 is about 524.6683583471.

The spelling of 144429072 in words is "one hundred forty-four million, four hundred twenty-nine thousand, seventy-two".