2145426 has 8 divisors (see below), whose sum is σ = 4290864. Its totient is φ = 715140.

The previous prime is 2145421. The next prime is 2145433. The reversal of 2145426 is 6245412.

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

2145426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2145396 and 2145405.

It is not an unprimeable number, because it can be changed into a prime (2145421) 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, 178780 + ... + 178791.

It is an arithmetic number, because the mean of its divisors is an integer number (536358).

2^2145426 is an apocalyptic number.

2145426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145426 is a wasteful number, since it uses less digits than its factorization.

2145426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357576.

The product of its digits is 1920, while the sum is 24.

The square root of 2145426 is about 1464.7272783696. The cubic root of 2145426 is about 128.9746960764.

The spelling of 2145426 in words is "two million, one hundred forty-five thousand, four hundred twenty-six".