45166072219 has 4 divisors (see below), whose sum is σ = 45166597000. Its totient is φ = 45165547440.

The previous prime is 45166072163. The next prime is 45166072223. The reversal of 45166072219 is 91227066154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45166072219 - 2¹¹ = 45166070171 is a prime.

It is a super-2 number, since 2×45166072219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45166072249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99642 + ... + 316639.

It is an arithmetic number, because the mean of its divisors is an integer number (11291649250).

Almost surely, 2^45166072219 is an apocalyptic number.

45166072219 is a deficient number, since it is larger than the sum of its proper divisors (524781).

45166072219 is a wasteful number, since it uses less digits than its factorization.

45166072219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524780.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 45166072219 in words is "forty-five billion, one hundred sixty-six million, seventy-two thousand, two hundred nineteen".