1145367799 has 4 divisors (see below), whose sum is σ = 1146479760. Its totient is φ = 1144255840.

The previous prime is 1145367791. The next prime is 1145367851. The reversal of 1145367799 is 9977635411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1145367799 - 2³ = 1145367791 is a prime.

It is a super-2 number, since 2×1145367799² = 2623734789972208802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145367791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554434 + ... + 556495.

It is an arithmetic number, because the mean of its divisors is an integer number (286619940).

Almost surely, 2^1145367799 is an apocalyptic number.

1145367799 is a deficient number, since it is larger than the sum of its proper divisors (1111961).

1145367799 is a wasteful number, since it uses less digits than its factorization.

1145367799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111960.

The product of its digits is 1428840, while the sum is 52.

The square root of 1145367799 is about 33843.2829229081. The cubic root of 1145367799 is about 1046.2809620629.

The spelling of 1145367799 in words is "one billion, one hundred forty-five million, three hundred sixty-seven thousand, seven hundred ninety-nine".