144400236 has 24 divisors (see below), whose sum is σ = 337847664. Its totient is φ = 48002880.

The previous prime is 144400183. The next prime is 144400241. The reversal of 144400236 is 632004441.

144400236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 11655 + ... + 20606.

It is an arithmetic number, because the mean of its divisors is an integer number (14076986).

Almost surely, 2^144400236 is an apocalyptic number.

It is an amenable number.

144400236 is an abundant number, since it is smaller than the sum of its proper divisors (193447428).

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

144400236 is a wasteful number, since it uses less digits than its factorization.

144400236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32641 (or 32639 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144400236 is about 12016.6649283401. The cubic root of 144400236 is about 524.6334384528.

Adding to 144400236 its reverse (632004441), we get a palindrome (776404677).

The spelling of 144400236 in words is "one hundred forty-four million, four hundred thousand, two hundred thirty-six".