45198917 has 8 divisors (see below), whose sum is σ = 45904320. Its totient is φ = 44498080.

The previous prime is 45198911. The next prime is 45198931. The reversal of 45198917 is 71989154.

45198917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45198917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45198911) 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 7 ways as a sum of consecutive naturals, for example, 22442 + ... + 24372.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^45198917 is an apocalyptic number.

It is an amenable number.

45198917 is a deficient number, since it is larger than the sum of its proper divisors (705403).

45198917 is a wasteful number, since it uses less digits than its factorization.

45198917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its digits is 90720, while the sum is 44.

The square root of 45198917 is about 6723.0139818388. The cubic root of 45198917 is about 356.2126538465.

The spelling of 45198917 in words is "forty-five million, one hundred ninety-eight thousand, nine hundred seventeen".