5145000 has 160 divisors (see below), whose sum is σ = 18744000. Its totient is φ = 1176000.

The previous prime is 5144989. The next prime is 5145011. The reversal of 5145000 is 5415.

It is an interprime number because it is at equal distance from previous prime (5144989) and next prime (5145011).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 734997 + ... + 735003.

It is an arithmetic number, because the mean of its divisors is an integer number (117150).

Almost surely, 2^5145000 is an apocalyptic number.

5145000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9372000).

5145000 is an abundant number, since it is smaller than the sum of its proper divisors (13599000).

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

5145000 is an equidigital number, since it uses as much as digits as its factorization.

5145000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5145000 is about 2268.2592444428. The cubic root of 5145000 is about 172.6348452031.

5145000 divided by its sum of digits (15) gives a cube (343000 = 70³).

The spelling of 5145000 in words is "five million, one hundred forty-five thousand".