5145820 has 24 divisors (see below), whose sum is σ = 10849104. Its totient is φ = 2050176.

The previous prime is 5145817. The next prime is 5145821. The reversal of 5145820 is 285415.

5145820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145821) 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 7 ways as a sum of consecutive naturals, for example, 8859 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (452046).

Almost surely, 2^5145820 is an apocalyptic number.

It is an amenable number.

5145820 is an abundant number, since it is smaller than the sum of its proper divisors (5703284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5145820 is a wasteful number, since it uses less digits than its factorization.

5145820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5145820 is about 2268.4399925940. The cubic root of 5145820 is about 172.6440161168.

The spelling of 5145820 in words is "five million, one hundred forty-five thousand, eight hundred twenty".