144433432 has 64 divisors (see below), whose sum is σ = 320060160. Its totient is φ = 60240000.

The previous prime is 144433391. The next prime is 144433451. The reversal of 144433432 is 234334441.

144433432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144433432² = 41722032558597248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144433432.

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, 286893 + ... + 287395.

It is an arithmetic number, because the mean of its divisors is an integer number (5000940).

Almost surely, 2^144433432 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 144433432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160030080).

144433432 is an abundant number, since it is smaller than the sum of its proper divisors (175626728).

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

144433432 is a wasteful number, since it uses less digits than its factorization.

144433432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 780 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 144433432 is about 12018.0460974320. The cubic root of 144433432 is about 524.6736378267.

Adding to 144433432 its reverse (234334441), we get a palindrome (378767873).

The spelling of 144433432 in words is "one hundred forty-four million, four hundred thirty-three thousand, four hundred thirty-two".