5111145 has 24 divisors (see below), whose sum is σ = 9541896. Its totient is φ = 2515968.

The previous prime is 5111137. The next prime is 5111149. The reversal of 5111145 is 5411115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21609 + 5089536 = 147^2 + 2256^2 .

It is not a de Polignac number, because 5111145 - 2³ = 5111137 is a prime.

It is a super-2 number, since 2×5111145² = 52247606422050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5111149) 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, 3784 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (397579).

Almost surely, 2^5111145 is an apocalyptic number.

It is an amenable number.

5111145 is a deficient number, since it is larger than the sum of its proper divisors (4430751).

5111145 is a wasteful number, since it uses less digits than its factorization.

5111145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761 (or 8758 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 5111145 is about 2260.7841559954. The cubic root of 5111145 is about 172.2553557864.

The spelling of 5111145 in words is "five million, one hundred eleven thousand, one hundred forty-five".