45900219 has 8 divisors (see below), whose sum is σ = 64421440. Its totient is φ = 28989576.

The previous prime is 45900209. The next prime is 45900223. The reversal of 45900219 is 91200954.

It is a happy number.

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

It is not a de Polignac number, because 45900219 - 2¹⁷ = 45769147 is a prime.

It is a super-2 number, since 2×45900219² = 4213660208495922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45900209) 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, 402577 + ... + 402690.

It is an arithmetic number, because the mean of its divisors is an integer number (8052680).

Almost surely, 2^45900219 is an apocalyptic number.

45900219 is a deficient number, since it is larger than the sum of its proper divisors (18521221).

45900219 is a wasteful number, since it uses less digits than its factorization.

45900219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805289.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 45900219 is about 6774.9700368341. The cubic root of 45900219 is about 358.0455270170.

The spelling of 45900219 in words is "forty-five million, nine hundred thousand, two hundred nineteen".