45038217 has 8 divisors (see below), whose sum is σ = 68629696. Its totient is φ = 25736112.

The previous prime is 45038179. The next prime is 45038233. The reversal of 45038217 is 71283054.

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

It is not a de Polignac number, because 45038217 - 2¹⁰ = 45037193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45038017) 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, 1072318 + ... + 1072359.

It is an arithmetic number, because the mean of its divisors is an integer number (8578712).

Almost surely, 2^45038217 is an apocalyptic number.

It is an amenable number.

45038217 is a deficient number, since it is larger than the sum of its proper divisors (23591479).

45038217 is a wasteful number, since it uses less digits than its factorization.

45038217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144687.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45038217 is about 6711.0518549628. The cubic root of 45038217 is about 355.7899936551.

It can be divided in two parts, 4503 and 8217, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 45038217 in words is "forty-five million, thirty-eight thousand, two hundred seventeen".