9045919 has 4 divisors (see below), whose sum is σ = 9522040. Its totient is φ = 8569800.

The previous prime is 9045917. The next prime is 9045931. The reversal of 9045919 is 9195409.

9045919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9045919 - 2¹ = 9045917 is a prime.

It is a super-2 number, since 2×9045919² = 163657301109122, which contains 22 as substring.

9045919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045913) 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, 238032 + ... + 238069.

It is an arithmetic number, because the mean of its divisors is an integer number (2380510).

Almost surely, 2^9045919 is an apocalyptic number.

9045919 is a deficient number, since it is larger than the sum of its proper divisors (476121).

9045919 is a wasteful number, since it uses less digits than its factorization.

9045919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476120.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 9045919 is about 3007.6434296638. The cubic root of 9045919 is about 208.3615429890.

It can be divided in two parts, 90459 and 19, that multiplied together give a square (1718721 = 1311²).

The spelling of 9045919 in words is "nine million, forty-five thousand, nine hundred nineteen".