3144545 has 4 divisors (see below), whose sum is σ = 3773460. Its totient is φ = 2515632.

The previous prime is 3144539. The next prime is 3144551. The reversal of 3144545 is 5454413.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3144539) and next prime (3144551).

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 2411809 = 856^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144545 - 2⁴ = 3144529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314450 + ... + 314459.

It is an arithmetic number, because the mean of its divisors is an integer number (943365).

Almost surely, 2^3144545 is an apocalyptic number.

It is an amenable number.

3144545 is a deficient number, since it is larger than the sum of its proper divisors (628915).

3144545 is an equidigital number, since it uses as much as digits as its factorization.

3144545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628914.

The product of its digits is 4800, while the sum is 26.

The square root of 3144545 is about 1773.2864968752. The cubic root of 3144545 is about 146.5050532722.

Adding to 3144545 its reverse (5454413), we get a palindrome (8598958).

The spelling of 3144545 in words is "three million, one hundred forty-four thousand, five hundred forty-five".