5645137244 has 12 divisors (see below), whose sum is σ = 9971317944. Its totient is φ = 2796189264.

The previous prime is 5645137189. The next prime is 5645137247. The reversal of 5645137244 is 4427315465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645137247) 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, 6594359 + ... + 6595214.

It is an arithmetic number, because the mean of its divisors is an integer number (830943162).

Almost surely, 2^5645137244 is an apocalyptic number.

It is an amenable number.

5645137244 is a deficient number, since it is larger than the sum of its proper divisors (4326180700).

5645137244 is a wasteful number, since it uses less digits than its factorization.

5645137244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13189684 (or 13189682 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 5645137244 is about 75134.1283572253. The cubic root of 5645137244 is about 1780.5663774392.

The spelling of 5645137244 in words is "five billion, six hundred forty-five million, one hundred thirty-seven thousand, two hundred forty-four".