144447000 has 128 divisors (see below), whose sum is σ = 456580800. Its totient is φ = 38016000.

The previous prime is 144446989. The next prime is 144447029. The reversal of 144447000 is 744441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266730 + ... + 267270.

Almost surely, 2^144447000 is an apocalyptic number.

144447000 is a gapful number since it is divisible by the number (10) 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 144447000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228290400).

144447000 is an abundant number, since it is smaller than the sum of its proper divisors (312133800).

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

144447000 is a wasteful number, since it uses less digits than its factorization.

144447000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 144447000 is about 12018.6105686140. The cubic root of 144447000 is about 524.6900665000.

The spelling of 144447000 in words is "one hundred forty-four million, four hundred forty-seven thousand".