1145382194 has 16 divisors (see below), whose sum is σ = 1877402016. Its totient is φ = 519756000.

The previous prime is 1145382193. The next prime is 1145382223. The reversal of 1145382194 is 4912835411.

It is not an unprimeable number, because it can be changed into a prime (1145382193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30092 + ... + 56535.

It is an arithmetic number, because the mean of its divisors is an integer number (117337626).

Almost surely, 2^1145382194 is an apocalyptic number.

1145382194 is a deficient number, since it is larger than the sum of its proper divisors (732019822).

1145382194 is a wasteful number, since it uses less digits than its factorization.

1145382194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87241.

The product of its digits is 34560, while the sum is 38.

The square root of 1145382194 is about 33843.4955936883. The cubic root of 1145382194 is about 1046.2853452695.

The spelling of 1145382194 in words is "one billion, one hundred forty-five million, three hundred eighty-two thousand, one hundred ninety-four".