45097219 has 8 divisors (see below), whose sum is σ = 46655360. Its totient is φ = 43545600.

The previous prime is 45097189. The next prime is 45097259. The reversal of 45097219 is 91279054.

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

It is a cyclic number.

It is not a de Polignac number, because 45097219 - 2⁵ = 45097187 is a prime.

It is a super-2 number, since 2×45097219² = 4067518323067922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45097259) 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, 15427 + ... + 18115.

It is an arithmetic number, because the mean of its divisors is an integer number (5831920).

Almost surely, 2^45097219 is an apocalyptic number.

45097219 is a deficient number, since it is larger than the sum of its proper divisors (1558141).

45097219 is a wasteful number, since it uses less digits than its factorization.

45097219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 45097219 is about 6715.4462993907. The cubic root of 45097219 is about 355.9452925865.

The spelling of 45097219 in words is "forty-five million, ninety-seven thousand, two hundred nineteen".