45828215 has 4 divisors (see below), whose sum is σ = 54993864. Its totient is φ = 36662568.

The previous prime is 45828197. The next prime is 45828217. The reversal of 45828215 is 51282854.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45828215 - 2⁶ = 45828151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45828217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4582817 + ... + 4582826.

It is an arithmetic number, because the mean of its divisors is an integer number (13748466).

Almost surely, 2^45828215 is an apocalyptic number.

45828215 is a deficient number, since it is larger than the sum of its proper divisors (9165649).

45828215 is an equidigital number, since it uses as much as digits as its factorization.

45828215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165648.

The product of its digits is 25600, while the sum is 35.

The square root of 45828215 is about 6769.6539793405. The cubic root of 45828215 is about 357.8582061774.

The spelling of 45828215 in words is "forty-five million, eight hundred twenty-eight thousand, two hundred fifteen".