45418315 has 4 divisors (see below), whose sum is σ = 54501984. Its totient is φ = 36334648.

The previous prime is 45418313. The next prime is 45418319. The reversal of 45418315 is 51381454.

45418315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45418315 - 2¹ = 45418313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45418313) 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 3 ways as a sum of consecutive naturals, for example, 4541827 + ... + 4541836.

It is an arithmetic number, because the mean of its divisors is an integer number (13625496).

Almost surely, 2^45418315 is an apocalyptic number.

45418315 is a deficient number, since it is larger than the sum of its proper divisors (9083669).

45418315 is an equidigital number, since it uses as much as digits as its factorization.

45418315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083668.

The product of its digits is 9600, while the sum is 31.

The square root of 45418315 is about 6739.3111665808. The cubic root of 45418315 is about 356.7880823228.

Adding to 45418315 its reverse (51381454), we get a palindrome (96799769).

It can be divided in two parts, 454 and 18315, that added together give a square (18769 = 137²).

The spelling of 45418315 in words is "forty-five million, four hundred eighteen thousand, three hundred fifteen".