1244945495 has 16 divisors (see below), whose sum is σ = 1612647360. Its totient is φ = 919801344.

The previous prime is 1244945483. The next prime is 1244945497. The reversal of 1244945495 is 5945494421.

It is a cyclic number.

It is not a de Polignac number, because 1244945495 - 2¹⁴ = 1244929111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244945497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183314 + ... + 189983.

It is an arithmetic number, because the mean of its divisors is an integer number (100790460).

Almost surely, 2^1244945495 is an apocalyptic number.

1244945495 is a deficient number, since it is larger than the sum of its proper divisors (367701865).

1244945495 is a wasteful number, since it uses less digits than its factorization.

1244945495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373354.

The product of its digits is 1036800, while the sum is 47.

The square root of 1244945495 is about 35283.7851569244. The cubic root of 1244945495 is about 1075.7634367867.

The spelling of 1244945495 in words is "one billion, two hundred forty-four million, nine hundred forty-five thousand, four hundred ninety-five".