45011217 has 8 divisors (see below), whose sum is σ = 60047296. Its totient is φ = 29991312.

The previous prime is 45011191. The next prime is 45011221. The reversal of 45011217 is 71211054.

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 45011217 - 2¹⁹ = 44486929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45011193 and 45011202.

It is not an unprimeable number, because it can be changed into a prime (45011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6063 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (7505912).

Almost surely, 2^45011217 is an apocalyptic number.

It is an amenable number.

45011217 is a deficient number, since it is larger than the sum of its proper divisors (15036079).

45011217 is a wasteful number, since it uses less digits than its factorization.

45011217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 45011217 is about 6709.0399462218. The cubic root of 45011217 is about 355.7188818250.

The spelling of 45011217 in words is "forty-five million, eleven thousand, two hundred seventeen".