5145345 has 24 divisors (see below), whose sum is σ = 9009000. Its totient is φ = 2716416.

The previous prime is 5145323. The next prime is 5145347. The reversal of 5145345 is 5435415.

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 3207681 = 1392^2 + 1791^2 .

It is not a de Polignac number, because 5145345 - 2⁵ = 5145313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5145347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4381 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (375375).

Almost surely, 2^5145345 is an apocalyptic number.

It is an amenable number.

5145345 is a deficient number, since it is larger than the sum of its proper divisors (3863655).

5145345 is a wasteful number, since it uses less digits than its factorization.

5145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1166 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 5145345 is about 2268.3352926761. The cubic root of 5145345 is about 172.6387038161.

The spelling of 5145345 in words is "five million, one hundred forty-five thousand, three hundred forty-five".