1145532394 has 8 divisors (see below), whose sum is σ = 1719334368. Its totient is φ = 572420940.

The previous prime is 1145532373. The next prime is 1145532397. The reversal of 1145532394 is 4932355411.

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

It is not an unprimeable number, because it can be changed into a prime (1145532397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 168462 + ... + 175129.

It is an arithmetic number, because the mean of its divisors is an integer number (214916796).

Almost surely, 2^1145532394 is an apocalyptic number.

1145532394 is a deficient number, since it is larger than the sum of its proper divisors (573801974).

1145532394 is a wasteful number, since it uses less digits than its factorization.

1145532394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345260.

The product of its digits is 64800, while the sum is 37.

The square root of 1145532394 is about 33845.7145588625. The cubic root of 1145532394 is about 1046.3310782399.

The spelling of 1145532394 in words is "one billion, one hundred forty-five million, five hundred thirty-two thousand, three hundred ninety-four".