1244035345 has 16 divisors (see below), whose sum is σ = 1738298880. Its totient is φ = 836956224.

The previous prime is 1244035337. The next prime is 1244035361. The reversal of 1244035345 is 5435304421.

It is a cyclic number.

It is not a de Polignac number, because 1244035345 - 2³ = 1244035337 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 333465 + ... + 337174.

It is an arithmetic number, because the mean of its divisors is an integer number (108643680).

Almost surely, 2^1244035345 is an apocalyptic number.

It is an amenable number.

1244035345 is a deficient number, since it is larger than the sum of its proper divisors (494263535).

1244035345 is an equidigital number, since it uses as much as digits as its factorization.

1244035345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670704.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1244035345 is about 35270.8852313066. The cubic root of 1244035345 is about 1075.5012178667.

Adding to 1244035345 its reverse (5435304421), we get a palindrome (6679339766).

The spelling of 1244035345 in words is "one billion, two hundred forty-four million, thirty-five thousand, three hundred forty-five".