203044143144 has 64 divisors (see below), whose sum is σ = 525712343040. Its totient is φ = 65308349120.

The previous prime is 203044143103. The next prime is 203044143149. The reversal of 203044143144 is 441341440302.

It is not an unprimeable number, because it can be changed into a prime (203044143149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187544 + ... + 1347719.

It is an arithmetic number, because the mean of its divisors is an integer number (8214255360).

Almost surely, 2^203044143144 is an apocalyptic number.

203044143144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203044143144 is an abundant number, since it is smaller than the sum of its proper divisors (322668199896).

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

203044143144 is a wasteful number, since it uses less digits than its factorization.

203044143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535390 (or 2535386 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 203044143144 its reverse (441341440302), we get a palindrome (644385583446).

The spelling of 203044143144 in words is "two hundred three billion, forty-four million, one hundred forty-three thousand, one hundred forty-four".