2345745 has 16 divisors (see below), whose sum is σ = 3974400. Its totient is φ = 1177344.

The previous prime is 2345743. The next prime is 2345753. The reversal of 2345745 is 5475432.

It is not a de Polignac number, because 2345745 - 2¹ = 2345743 is a prime.

2345745 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4345 + ... + 4854.

It is an arithmetic number, because the mean of its divisors is an integer number (248400).

2^2345745 is an apocalyptic number.

It is an amenable number.

2345745 is a deficient number, since it is larger than the sum of its proper divisors (1628655).

2345745 is a wasteful number, since it uses less digits than its factorization.

2345745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224.

The product of its digits is 16800, while the sum is 30.

The square root of 2345745 is about 1531.5825149172. The cubic root of 2345745 is about 132.8699994165.

The spelling of 2345745 in words is "two million, three hundred forty-five thousand, seven hundred forty-five".