2544145 has 8 divisors (see below), whose sum is σ = 3185856. Its totient is φ = 1946736.

The previous prime is 2544137. The next prime is 2544161. The reversal of 2544145 is 5414452.

It is a happy number.

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 2544145 - 2³ = 2544137 is a prime.

It is a Duffinian number.

2544145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10947 + ... + 11176.

It is an arithmetic number, because the mean of its divisors is an integer number (398232).

2^2544145 is an apocalyptic number.

It is an amenable number.

2544145 is a deficient number, since it is larger than the sum of its proper divisors (641711).

2544145 is a wasteful number, since it uses less digits than its factorization.

2544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22151.

The product of its digits is 3200, while the sum is 25.

The square root of 2544145 is about 1595.0376171113. The cubic root of 2544145 is about 136.5150774760.

Adding to 2544145 its reverse (5414452), we get a palindrome (7958597).

The spelling of 2544145 in words is "two million, five hundred forty-four thousand, one hundred forty-five".