45215305 has 8 divisors (see below), whose sum is σ = 54673344. Its totient is φ = 35895600.

The previous prime is 45215297. The next prime is 45215323. The reversal of 45215305 is 50351254.

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

It is not a de Polignac number, because 45215305 - 2³ = 45215297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45215305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33861 + ... + 35170.

It is an arithmetic number, because the mean of its divisors is an integer number (6834168).

Almost surely, 2^45215305 is an apocalyptic number.

It is an amenable number.

45215305 is a deficient number, since it is larger than the sum of its proper divisors (9458039).

45215305 is a wasteful number, since it uses less digits than its factorization.

45215305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69167.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45215305 is about 6724.2326699780. The cubic root of 45215305 is about 356.2556999191.

Adding to 45215305 its reverse (50351254), we get a palindrome (95566559).

The spelling of 45215305 in words is "forty-five million, two hundred fifteen thousand, three hundred five".