5423645 has 16 divisors (see below), whose sum is σ = 7040640. Its totient is φ = 3996864.

The previous prime is 5423623. The next prime is 5423651. The reversal of 5423645 is 5463245.

It is a cyclic number.

It is not a de Polignac number, because 5423645 - 2¹⁰ = 5422621 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 4⁵ + 2²² + 3¹¹ + 6⁵ + 4⁹ + 5⁸ .

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, 2744 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (440040).

Almost surely, 2^5423645 is an apocalyptic number.

It is an amenable number.

5423645 is a deficient number, since it is larger than the sum of its proper divisors (1616995).

5423645 is a wasteful number, since it uses less digits than its factorization.

5423645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its digits is 14400, while the sum is 29.

The square root of 5423645 is about 2328.8720445744. The cubic root of 5423645 is about 175.6967595965.

The spelling of 5423645 in words is "five million, four hundred twenty-three thousand, six hundred forty-five".