1145984187 has 8 divisors (see below), whose sum is σ = 1528183360. Its totient is φ = 763887240.

The previous prime is 1145984159. The next prime is 1145984197. The reversal of 1145984187 is 7814895411.

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

It is not a de Polignac number, because 1145984187 - 2⁸ = 1145983931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145984117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6264 + ... + 48282.

It is an arithmetic number, because the mean of its divisors is an integer number (191022920).

Almost surely, 2^1145984187 is an apocalyptic number.

1145984187 is a deficient number, since it is larger than the sum of its proper divisors (382199173).

1145984187 is an equidigital number, since it uses as much as digits as its factorization.

1145984187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51113.

The product of its digits is 322560, while the sum is 48.

The square root of 1145984187 is about 33852.3882023115. The cubic root of 1145984187 is about 1046.4686163041.

The spelling of 1145984187 in words is "one billion, one hundred forty-five million, nine hundred eighty-four thousand, one hundred eighty-seven".