5145818 has 8 divisors (see below), whose sum is σ = 7984980. Its totient is φ = 2484160.

The previous prime is 5145817. The next prime is 5145821. The reversal of 5145818 is 8185415.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 24649 = 2263^2 + 157^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5145817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44303 + ... + 44418.

Almost surely, 2^5145818 is an apocalyptic number.

5145818 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5145818 is a deficient number, since it is larger than the sum of its proper divisors (2839162).

5145818 is a wasteful number, since it uses less digits than its factorization.

5145818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88752.

The product of its digits is 6400, while the sum is 32.

The square root of 5145818 is about 2268.4395517624. The cubic root of 5145818 is about 172.6439937500.

The spelling of 5145818 in words is "five million, one hundred forty-five thousand, eight hundred eighteen".