144246424 has 64 divisors (see below), whose sum is σ = 325036800. Its totient is φ = 58713984.

The previous prime is 144246397. The next prime is 144246433. The reversal of 144246424 is 424642441.

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, 88287 + ... + 89905.

It is an arithmetic number, because the mean of its divisors is an integer number (5078700).

Almost surely, 2^144246424 is an apocalyptic number.

144246424 is a gapful number since it is divisible by the number (14) 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 144246424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162518400).

144246424 is an abundant number, since it is smaller than the sum of its proper divisors (180790376).

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

144246424 is a wasteful number, since it uses less digits than its factorization.

144246424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1708 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

The square root of 144246424 is about 12010.2632777138. The cubic root of 144246424 is about 524.4470962206.

Adding to 144246424 its reverse (424642441), we get a palindrome (568888865).

The spelling of 144246424 in words is "one hundred forty-four million, two hundred forty-six thousand, four hundred twenty-four".