2054445 has 8 divisors (see below), whose sum is σ = 3287136. Its totient is φ = 1095696.

The previous prime is 2054443. The next prime is 2054449. The reversal of 2054445 is 5444502.

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

It is not a de Polignac number, because 2054445 - 2¹ = 2054443 is a prime.

It is a Curzon number.

2054445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054443) 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, 68467 + ... + 68496.

It is an arithmetic number, because the mean of its divisors is an integer number (410892).

2^2054445 is an apocalyptic number.

It is an amenable number.

2054445 is a deficient number, since it is larger than the sum of its proper divisors (1232691).

2054445 is a wasteful number, since it uses less digits than its factorization.

2054445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136971.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2054445 is about 1433.3335271318. Note that the first 3 decimals coincide. The cubic root of 2054445 is about 127.1251582003.

Adding to 2054445 its reverse (5444502), we get a palindrome (7498947).

The spelling of 2054445 in words is "two million, fifty-four thousand, four hundred forty-five".