1244004545 has 16 divisors (see below), whose sum is σ = 1706883840. Its totient is φ = 852621504.

The previous prime is 1244004539. The next prime is 1244004569. The reversal of 1244004545 is 5454004421.

It is not a de Polignac number, because 1244004545 - 2⁶ = 1244004481 is a prime.

It is a super-3 number, since 3×1244004545³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77471 + ... + 92139.

It is an arithmetic number, because the mean of its divisors is an integer number (106680240).

Almost surely, 2^1244004545 is an apocalyptic number.

It is an amenable number.

1244004545 is a deficient number, since it is larger than the sum of its proper divisors (462879295).

1244004545 is a wasteful number, since it uses less digits than its factorization.

1244004545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17104.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1244004545 is about 35270.4486078643. The cubic root of 1244004545 is about 1075.4923419906.

Adding to 1244004545 its reverse (5454004421), we get a palindrome (6698008966).

The spelling of 1244004545 in words is "one billion, two hundred forty-four million, four thousand, five hundred forty-five".