1244497045 has 8 divisors (see below), whose sum is σ = 1629159840. Its totient is φ = 905088720.

The previous prime is 1244497043. The next prime is 1244497063. The reversal of 1244497045 is 5407944421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1244497045 - 2¹ = 1244497043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244496989 and 1244497007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244497043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11313555 + ... + 11313664.

It is an arithmetic number, because the mean of its divisors is an integer number (203644980).

Almost surely, 2^1244497045 is an apocalyptic number.

It is an amenable number.

1244497045 is a deficient number, since it is larger than the sum of its proper divisors (384662795).

1244497045 is a wasteful number, since it uses less digits than its factorization.

1244497045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22627235.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1244497045 is about 35277.4296824471. The cubic root of 1244497045 is about 1075.6342520010.

The spelling of 1244497045 in words is "one billion, two hundred forty-four million, four hundred ninety-seven thousand, forty-five".