2145446 has 8 divisors (see below), whose sum is σ = 3251640. Its totient is φ = 1061568.

The previous prime is 2145443. The next prime is 2145469. The reversal of 2145446 is 6445412.

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

It is a zygodrome in base 3.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5336 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (406455).

2^2145446 is an apocalyptic number.

2145446 is a deficient number, since it is larger than the sum of its proper divisors (1106194).

2145446 is a wasteful number, since it uses less digits than its factorization.

2145446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158.

The product of its digits is 3840, while the sum is 26.

The square root of 2145446 is about 1464.7341055632. The cubic root of 2145446 is about 128.9750968494.

The spelling of 2145446 in words is "two million, one hundred forty-five thousand, four hundred forty-six".