2443145 has 8 divisors (see below), whose sum is σ = 2941056. Its totient is φ = 1948336.

The previous prime is 2443117. The next prime is 2443151. The reversal of 2443145 is 5413442.

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 2443145 - 2⁸ = 2442889 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 2443145.

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, 1664 + ... + 2766.

It is an arithmetic number, because the mean of its divisors is an integer number (367632).

2^2443145 is an apocalyptic number.

It is an amenable number.

2443145 is a deficient number, since it is larger than the sum of its proper divisors (497911).

2443145 is a wasteful number, since it uses less digits than its factorization.

2443145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its digits is 1920, while the sum is 23.

The square root of 2443145 is about 1563.0563009694. The cubic root of 2443145 is about 134.6841266070.

Adding to 2443145 its reverse (5413442), we get a palindrome (7856587).

The spelling of 2443145 in words is "two million, four hundred forty-three thousand, one hundred forty-five".