1144745416 has 8 divisors (see below), whose sum is σ = 2146397670. Its totient is φ = 572372704.

The previous prime is 1144745411. The next prime is 1144745417. The reversal of 1144745416 is 6145474411.

It can be written as a sum of positive squares in only one way, i.e., 969076900 + 175668516 = 31130^2 + 13254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1144745411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71546581 + ... + 71546596.

Almost surely, 2^1144745416 is an apocalyptic number.

It is an amenable number.

1144745416 is a deficient number, since it is larger than the sum of its proper divisors (1001652254).

1144745416 is a wasteful number, since it uses less digits than its factorization.

1144745416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143093183 (or 143093179 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 1144745416 is about 33834.0865991680. The cubic root of 1144745416 is about 1046.0914143705.

The spelling of 1144745416 in words is "one billion, one hundred forty-four million, seven hundred forty-five thousand, four hundred sixteen".