1145496199 has 4 divisors (see below), whose sum is σ = 1148353200. Its totient is φ = 1142639200.

The previous prime is 1145496103. The next prime is 1145496239. The reversal of 1145496199 is 9916945411.

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 1145496199 - 2¹³ = 1145488007 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145496299) 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 3 ways as a sum of consecutive naturals, for example, 1427899 + ... + 1428700.

It is an arithmetic number, because the mean of its divisors is an integer number (287088300).

Almost surely, 2^1145496199 is an apocalyptic number.

1145496199 is a deficient number, since it is larger than the sum of its proper divisors (2857001).

1145496199 is an equidigital number, since it uses as much as digits as its factorization.

1145496199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857000.

The product of its digits is 349920, while the sum is 49.

The square root of 1145496199 is about 33845.1798488352. The cubic root of 1145496199 is about 1046.3200579340.

The spelling of 1145496199 in words is "one billion, one hundred forty-five million, four hundred ninety-six thousand, one hundred ninety-nine".