1145519994 has 16 divisors (see below), whose sum is σ = 2411621280. Its totient is φ = 361743120.

The previous prime is 1145519983. The next prime is 1145520001. The reversal of 1145519994 is 4999155411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5024097 + ... + 5024324.

It is an arithmetic number, because the mean of its divisors is an integer number (150726330).

Almost surely, 2^1145519994 is an apocalyptic number.

1145519994 is an abundant number, since it is smaller than the sum of its proper divisors (1266101286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145519994 is a wasteful number, since it uses less digits than its factorization.

1145519994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048445.

The product of its digits is 291600, while the sum is 48.

The square root of 1145519994 is about 33845.5313741711. The cubic root of 1145519994 is about 1046.3273028332.

The spelling of 1145519994 in words is "one billion, one hundred forty-five million, five hundred nineteen thousand, nine hundred ninety-four".