45869219 has 4 divisors (see below), whose sum is σ = 50039160. Its totient is φ = 41699280.

The previous prime is 45869191. The next prime is 45869237. The reversal of 45869219 is 91296854.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45869219 is a prime.

It is a super-2 number, since 2×45869219² = 4207970503339922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45869219.

It is not an unprimeable number, because it can be changed into a prime (45869279) 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, 2084954 + ... + 2084975.

It is an arithmetic number, because the mean of its divisors is an integer number (12509790).

Almost surely, 2^45869219 is an apocalyptic number.

45869219 is a deficient number, since it is larger than the sum of its proper divisors (4169941).

45869219 is a wasteful number, since it uses less digits than its factorization.

45869219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169940.

The product of its digits is 155520, while the sum is 44.

The square root of 45869219 is about 6772.6818174192. The cubic root of 45869219 is about 357.9649035016.

The spelling of 45869219 in words is "forty-five million, eight hundred sixty-nine thousand, two hundred nineteen".