1003432144 has 80 divisors (see below), whose sum is σ = 2297602944. Its totient is φ = 418521600.

The previous prime is 1003432081. The next prime is 1003432153. The reversal of 1003432144 is 4412343001.

It is a super-2 number, since 2×1003432144² = 2013752135224873472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412917 + ... + 415339.

Almost surely, 2^1003432144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003432144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148801472).

1003432144 is an abundant number, since it is smaller than the sum of its proper divisors (1294170800).

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

1003432144 is a wasteful number, since it uses less digits than its factorization.

1003432144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2630 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1003432144 is about 31676.9970799001. The cubic root of 1003432144 is about 1001.1427416441.

Adding to 1003432144 its reverse (4412343001), we get a palindrome (5415775145).

The spelling of 1003432144 in words is "one billion, three million, four hundred thirty-two thousand, one hundred forty-four".