45969219 has 6 divisors (see below), whose sum is σ = 66399996. Its totient is φ = 30646140.

The previous prime is 45969181. The next prime is 45969223. The reversal of 45969219 is 91296954.

It is not a de Polignac number, because 45969219 - 2⁹ = 45968707 is a prime.

It is a super-2 number, since 2×45969219² = 4226338190939922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45969229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553837 + ... + 2553854.

It is an arithmetic number, because the mean of its divisors is an integer number (11066666).

Almost surely, 2^45969219 is an apocalyptic number.

45969219 is a deficient number, since it is larger than the sum of its proper divisors (20430777).

45969219 is a wasteful number, since it uses less digits than its factorization.

45969219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107697 (or 5107694 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 45969219 is about 6780.0603979611. The cubic root of 45969219 is about 358.2248491263.

The spelling of 45969219 in words is "forty-five million, nine hundred sixty-nine thousand, two hundred nineteen".