45323215 has 24 divisors (see below), whose sum is σ = 63489888. Its totient is φ = 30426240.

The previous prime is 45323203. The next prime is 45323219. The reversal of 45323215 is 51232354.

It is not a de Polignac number, because 45323215 - 2⁹ = 45322703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45323215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45323219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98085 + ... + 98545.

It is an arithmetic number, because the mean of its divisors is an integer number (2645412).

Almost surely, 2^45323215 is an apocalyptic number.

45323215 is a deficient number, since it is larger than the sum of its proper divisors (18166673).

45323215 is an equidigital number, since it uses as much as digits as its factorization.

45323215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 526 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 45323215 is about 6732.2518520923. The cubic root of 45323215 is about 356.5388858165.

Adding to 45323215 its reverse (51232354), we get a palindrome (96555569).

The spelling of 45323215 in words is "forty-five million, three hundred twenty-three thousand, two hundred fifteen".