5145390 has 128 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 1202688.

The previous prime is 5145389. The next prime is 5145403. The reversal of 5145390 is 935415.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 87181 + ... + 87239.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

Almost surely, 2^5145390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7776000).

5145390 is an abundant number, since it is smaller than the sum of its proper divisors (10406610).

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

5145390 is a wasteful number, since it uses less digits than its factorization.

5145390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5145390 is about 2268.3452118229. The cubic root of 5145390 is about 172.6392071007.

The spelling of 5145390 in words is "five million, one hundred forty-five thousand, three hundred ninety".