5431145344 has 32 divisors (see below), whose sum is σ = 11112298200. Its totient is φ = 2642176512.

The previous prime is 5431145341. The next prime is 5431145351. The reversal of 5431145344 is 4435411345.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431145341) 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, 568654 + ... + 578125.

Almost surely, 2^5431145344 is an apocalyptic number.

It is an amenable number.

5431145344 is an abundant number, since it is smaller than the sum of its proper divisors (5681152856).

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

5431145344 is a wasteful number, since it uses less digits than its factorization.

5431145344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146830 (or 1146818 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 5431145344 is about 73696.3048191699. The cubic root of 5431145344 is about 1757.7771248262. Note that the first 3 decimals are identical.

Adding to 5431145344 its reverse (4435411345), we get a palindrome (9866556689).

The spelling of 5431145344 in words is "five billion, four hundred thirty-one million, one hundred forty-five thousand, three hundred forty-four".