2145441 has 8 divisors (see below), whose sum is σ = 2868480. Its totient is φ = 1426352.

The previous prime is 2145439. The next prime is 2145443. The reversal of 2145441 is 1445412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2145439) and next prime (2145443).

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 2145441 - 2¹ = 2145439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (358560).

2^2145441 is an apocalyptic number.

It is an amenable number.

2145441 is a deficient number, since it is larger than the sum of its proper divisors (723039).

2145441 is a wasteful number, since it uses less digits than its factorization.

2145441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its digits is 640, while the sum is 21.

The square root of 2145441 is about 1464.7323987678. The cubic root of 2145441 is about 128.9749966564.

The spelling of 2145441 in words is "two million, one hundred forty-five thousand, four hundred forty-one".