2745545 has 8 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 1996720.

The previous prime is 2745541. The next prime is 2745569. The reversal of 2745545 is 5455472.

2745545 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 not a de Polignac number, because 2745545 - 2² = 2745541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24905 + ... + 25014.

It is an arithmetic number, because the mean of its divisors is an integer number (449280).

2^2745545 is an apocalyptic number.

It is an amenable number.

2745545 is a deficient number, since it is larger than the sum of its proper divisors (848695).

2745545 is a wasteful number, since it uses less digits than its factorization.

2745545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49935.

The product of its digits is 28000, while the sum is 32.

The square root of 2745545 is about 1656.9686176871. The cubic root of 2745545 is about 140.0262705803.

It can be divided in two parts, 2 and 745545, that added together give a palindrome (745547).

The spelling of 2745545 in words is "two million, seven hundred forty-five thousand, five hundred forty-five".