5144945 has 8 divisors (see below), whose sum is σ = 6648936. Its totient is φ = 3799296.

The previous prime is 5144941. The next prime is 5144947. The reversal of 5144945 is 5494415.

It can be written as a sum of positive squares in 4 ways, for example, as 379456 + 4765489 = 616^2 + 2183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5144945 - 2² = 5144941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5144941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39512 + ... + 39641.

It is an arithmetic number, because the mean of its divisors is an integer number (831117).

Almost surely, 2^5144945 is an apocalyptic number.

It is an amenable number.

5144945 is a deficient number, since it is larger than the sum of its proper divisors (1503991).

5144945 is a wasteful number, since it uses less digits than its factorization.

5144945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79171.

The product of its digits is 14400, while the sum is 32.

The square root of 5144945 is about 2268.2471205757. The cubic root of 5144945 is about 172.6342300460.

The spelling of 5144945 in words is "five million, one hundred forty-four thousand, nine hundred forty-five".