2043745 has 8 divisors (see below), whose sum is σ = 2675520. Its totient is φ = 1486320.

The previous prime is 2043739. The next prime is 2043749. The reversal of 2043745 is 5473402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2043745 - 2⁷ = 2043617 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 0 + 4 + 3⁴ + 7⁵ + 4⁸ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2043749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18525 + ... + 18634.

It is an arithmetic number, because the mean of its divisors is an integer number (334440).

2^2043745 is an apocalyptic number.

It is an amenable number.

2043745 is a deficient number, since it is larger than the sum of its proper divisors (631775).

2043745 is a wasteful number, since it uses less digits than its factorization.

2043745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37175.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 2043745 is about 1429.5960968050. The cubic root of 2043745 is about 126.9040753735.

The spelling of 2043745 in words is "two million, forty-three thousand, seven hundred forty-five".