6438045 has 16 divisors (see below), whose sum is σ = 10749312. Its totient is φ = 3284160.

The previous prime is 6438031. The next prime is 6438059. The reversal of 6438045 is 5408346.

6438045 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6438031) and next prime (6438059).

It is not a de Polignac number, because 6438045 - 2¹⁰ = 6437021 is a prime.

6438045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8986 + ... + 9675.

It is an arithmetic number, because the mean of its divisors is an integer number (671832).

Almost surely, 2^6438045 is an apocalyptic number.

It is an amenable number.

6438045 is a deficient number, since it is larger than the sum of its proper divisors (4311267).

6438045 is a wasteful number, since it uses less digits than its factorization.

6438045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6438045 is about 2537.3302898913. The cubic root of 6438045 is about 186.0307210211.

The spelling of 6438045 in words is "six million, four hundred thirty-eight thousand, forty-five".