1145534327 has 4 divisors (see below), whose sum is σ = 1309182096. Its totient is φ = 981886560.

The previous prime is 1145534321. The next prime is 1145534333. The reversal of 1145534327 is 7234355411.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1145534321) and next prime (1145534333).

It is a cyclic number.

It is not a de Polignac number, because 1145534327 - 2¹² = 1145530231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145534321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81823874 + ... + 81823887.

It is an arithmetic number, because the mean of its divisors is an integer number (327295524).

Almost surely, 2^1145534327 is an apocalyptic number.

1145534327 is a deficient number, since it is larger than the sum of its proper divisors (163647769).

1145534327 is an equidigital number, since it uses as much as digits as its factorization.

1145534327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163647768.

The product of its digits is 50400, while the sum is 35.

The square root of 1145534327 is about 33845.7431149029. The cubic root of 1145534327 is about 1046.3316667747.

Adding to 1145534327 its reverse (7234355411), we get a palindrome (8379889738).

The spelling of 1145534327 in words is "one billion, one hundred forty-five million, five hundred thirty-four thousand, three hundred twenty-seven".