144453456 has 100 divisors (see below), whose sum is σ = 477847392. Its totient is φ = 41269824.

The previous prime is 144453451. The next prime is 144453473. The reversal of 144453456 is 654354441.

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

It is a self number, because there is not a number n which added to its sum of digits gives 144453456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144453451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1111 + ... + 17033.

Almost surely, 2^144453456 is an apocalyptic number.

144453456 is a gapful number since it is divisible by the number (16) 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 144453456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238923696).

144453456 is an abundant number, since it is smaller than the sum of its proper divisors (333393936).

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

144453456 is a wasteful number, since it uses less digits than its factorization.

144453456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15950 (or 15935 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 144453456 is about 12018.8791490721. The cubic root of 144453456 is about 524.6978833200.

The spelling of 144453456 in words is "one hundred forty-four million, four hundred fifty-three thousand, four hundred fifty-six".