144431352 has 96 divisors (see below), whose sum is σ = 439639200. Its totient is φ = 42501888.

The previous prime is 144431323. The next prime is 144431359. The reversal of 144431352 is 253134441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144431359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18174 + ... + 24882.

It is an arithmetic number, because the mean of its divisors is an integer number (4579575).

Almost surely, 2^144431352 is an apocalyptic number.

144431352 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 144431352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219819600).

144431352 is an abundant number, since it is smaller than the sum of its proper divisors (295207848).

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

144431352 is a wasteful number, since it uses less digits than its factorization.

144431352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757 (or 6750 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144431352 is about 12017.9595605910. The cubic root of 144431352 is about 524.6711191891.

Adding to 144431352 its reverse (253134441), we get a palindrome (397565793).

The spelling of 144431352 in words is "one hundred forty-four million, four hundred thirty-one thousand, three hundred fifty-two".