45330019 has 4 divisors (see below), whose sum is σ = 51805744. Its totient is φ = 38854296.

The previous prime is 45330001. The next prime is 45330023. The reversal of 45330019 is 91003354.

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

It is a cyclic number.

It is not a de Polignac number, because 45330019 - 2¹³ = 45321827 is a prime.

It is a super-2 number, since 2×45330019² = 4109621245080722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45329975 and 45330002.

It is not an unprimeable number, because it can be changed into a prime (45330319) 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, 3237852 + ... + 3237865.

It is an arithmetic number, because the mean of its divisors is an integer number (12951436).

Almost surely, 2^45330019 is an apocalyptic number.

45330019 is a deficient number, since it is larger than the sum of its proper divisors (6475725).

45330019 is an equidigital number, since it uses as much as digits as its factorization.

45330019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475724.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 45330019 is about 6732.7571618171. The cubic root of 45330019 is about 356.5567263367.

The spelling of 45330019 in words is "forty-five million, three hundred thirty thousand, nineteen".