2145746 has 8 divisors (see below), whose sum is σ = 3388080. Its totient is φ = 1016388.

The previous prime is 2145721. The next prime is 2145763. The reversal of 2145746 is 6475412.

2145746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28196 + ... + 28271.

It is an arithmetic number, because the mean of its divisors is an integer number (423510).

2^2145746 is an apocalyptic number.

2145746 is a deficient number, since it is larger than the sum of its proper divisors (1242334).

2145746 is a wasteful number, since it uses less digits than its factorization.

2145746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56488.

The product of its digits is 6720, while the sum is 29.

The square root of 2145746 is about 1464.8365096488. The cubic root of 2145746 is about 128.9811081443.

The spelling of 2145746 in words is "two million, one hundred forty-five thousand, seven hundred forty-six".