144233400243 has 4 divisors (see below), whose sum is σ = 192311200328. Its totient is φ = 96155600160.

The previous prime is 144233400193. The next prime is 144233400293. The reversal of 144233400243 is 342004332441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (144233400193) and next prime (144233400293).

It is a de Polignac number, because none of the positive numbers 2^k-144233400243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144233400243.

It is not an unprimeable number, because it can be changed into a prime (144233400293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24038900038 + ... + 24038900043.

It is an arithmetic number, because the mean of its divisors is an integer number (48077800082).

Almost surely, 2^144233400243 is an apocalyptic number.

144233400243 is a deficient number, since it is larger than the sum of its proper divisors (48077800085).

144233400243 is an equidigital number, since it uses as much as digits as its factorization.

144233400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48077800084.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 144233400243 its reverse (342004332441), we get a palindrome (486237732684).

The spelling of 144233400243 in words is "one hundred forty-four billion, two hundred thirty-three million, four hundred thousand, two hundred forty-three".