144215552 has 80 divisors (see below), whose sum is σ = 317604672. Its totient is φ = 65003520.

The previous prime is 144215537. The next prime is 144215569. The reversal of 144215552 is 255512441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312602 + ... + 313062.

Almost surely, 2^144215552 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 144215552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158802336).

144215552 is an abundant number, since it is smaller than the sum of its proper divisors (173389120).

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

144215552 is an equidigital number, since it uses as much as digits as its factorization.

144215552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 523 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 144215552 is about 12008.9779748320. The cubic root of 144215552 is about 524.4096790344.

Adding to 144215552 its reverse (255512441), we get a palindrome (399727993).

The spelling of 144215552 in words is "one hundred forty-four million, two hundred fifteen thousand, five hundred fifty-two".