5145215 has 8 divisors (see below), whose sum is σ = 6442848. Its totient is φ = 3937120.

The previous prime is 5145211. The next prime is 5145233. The reversal of 5145215 is 5125415.

It is a happy number.

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

It is not a de Polignac number, because 5145215 - 2² = 5145211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22256 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (805356).

Almost surely, 2^5145215 is an apocalyptic number.

5145215 is a deficient number, since it is larger than the sum of its proper divisors (1297633).

5145215 is a wasteful number, since it uses less digits than its factorization.

5145215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44769.

The product of its digits is 1000, while the sum is 23.

The square root of 5145215 is about 2268.3066371194. The cubic root of 5145215 is about 172.6372498662.

The spelling of 5145215 in words is "five million, one hundred forty-five thousand, two hundred fifteen".