2245743 has 24 divisors (see below), whose sum is σ = 3569280. Its totient is φ = 1354320.

The previous prime is 2245739. The next prime is 2245759. The reversal of 2245743 is 3475422.

It is not a de Polignac number, because 2245743 - 2² = 2245739 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3648 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (148720).

2^2245743 is an apocalyptic number.

2245743 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2245743 is a deficient number, since it is larger than the sum of its proper divisors (1323537).

2245743 is a wasteful number, since it uses less digits than its factorization.

2245743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 616 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2245743 is about 1498.5803281773. The cubic root of 2245743 is about 130.9543768249.

It can be divided in two parts, 22457 and 43, that added together give a square (22500 = 150²).

The spelling of 2245743 in words is "two million, two hundred forty-five thousand, seven hundred forty-three".