2003045144 has 16 divisors (see below), whose sum is σ = 3780918000. Its totient is φ = 994800352.

The previous prime is 2003045141. The next prime is 2003045147. The reversal of 2003045144 is 4415403002.

It is an interprime number because it is at equal distance from previous prime (2003045141) and next prime (2003045147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003045141) 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, 839012 + ... + 841395.

It is an arithmetic number, because the mean of its divisors is an integer number (236307375).

Almost surely, 2^2003045144 is an apocalyptic number.

It is an amenable number.

2003045144 is a deficient number, since it is larger than the sum of its proper divisors (1777872856).

2003045144 is a wasteful number, since it uses less digits than its factorization.

2003045144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680562 (or 1680558 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2003045144 is about 44755.3923455040. The cubic root of 2003045144 is about 1260.5601658088.

Adding to 2003045144 its reverse (4415403002), we get a palindrome (6418448146).

The spelling of 2003045144 in words is "two billion, three million, forty-five thousand, one hundred forty-four".