144431402032 has 10 divisors (see below), whose sum is σ = 279835841468. Its totient is φ = 72215701008.

The previous prime is 144431401937. The next prime is 144431402033. The reversal of 144431402032 is 230204134441.

It is not an unprimeable number, because it can be changed into a prime (144431402033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4513481298 + ... + 4513481329.

Almost surely, 2^144431402032 is an apocalyptic number.

It is an amenable number.

144431402032 is a deficient number, since it is larger than the sum of its proper divisors (135404439436).

144431402032 is an equidigital number, since it uses as much as digits as its factorization.

144431402032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026962635 (or 9026962629 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 144431402032 its reverse (230204134441), we get a palindrome (374635536473).

The spelling of 144431402032 in words is "one hundred forty-four billion, four hundred thirty-one million, four hundred two thousand, thirty-two".