5145620 has 12 divisors (see below), whose sum is σ = 10805844. Its totient is φ = 2058240.

The previous prime is 5145619. The next prime is 5145631. The reversal of 5145620 is 265415.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 4072324 = 1036^2 + 2018^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128621 + ... + 128660.

It is an arithmetic number, because the mean of its divisors is an integer number (900487).

Almost surely, 2^5145620 is an apocalyptic number.

It is an amenable number.

5145620 is an abundant number, since it is smaller than the sum of its proper divisors (5660224).

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

5145620 is a wasteful number, since it uses less digits than its factorization.

5145620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257290 (or 257288 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5145620 is about 2268.3959090071. The cubic root of 5145620 is about 172.6417793985.

The spelling of 5145620 in words is "five million, one hundred forty-five thousand, six hundred twenty".