7945045 has 8 divisors (see below), whose sum is σ = 9553824. Its totient is φ = 6342864.

The previous prime is 7945039. The next prime is 7945057. The reversal of 7945045 is 5405497.

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

It is a cyclic number.

It is not a de Polignac number, because 7945045 - 2³ = 7945037 is a prime.

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 7945045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 4288.

It is an arithmetic number, because the mean of its divisors is an integer number (1194228).

Almost surely, 2^7945045 is an apocalyptic number.

It is an amenable number.

7945045 is a deficient number, since it is larger than the sum of its proper divisors (1608779).

7945045 is a wasteful number, since it uses less digits than its factorization.

7945045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 7945045 is about 2818.6956203180. The cubic root of 7945045 is about 199.5409890172.

The spelling of 7945045 in words is "seven million, nine hundred forty-five thousand, forty-five".