1145324401 has 16 divisors (see below), whose sum is σ = 1244678400. Its totient is φ = 1047625920.

The previous prime is 1145324377. The next prime is 1145324413. The reversal of 1145324401 is 1044235411.

It is a cyclic number.

It is not a de Polignac number, because 1145324401 - 2⁷ = 1145324273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145324431) 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 15 ways as a sum of consecutive naturals, for example, 757236 + ... + 758746.

It is an arithmetic number, because the mean of its divisors is an integer number (77792400).

Almost surely, 2^1145324401 is an apocalyptic number.

It is an amenable number.

1145324401 is a deficient number, since it is larger than the sum of its proper divisors (99353999).

1145324401 is a wasteful number, since it uses less digits than its factorization.

1145324401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1145324401 is about 33842.6417556313. The cubic root of 1145324401 is about 1046.2677473631.

Adding to 1145324401 its reverse (1044235411), we get a palindrome (2189559812).

The spelling of 1145324401 in words is "one billion, one hundred forty-five million, three hundred twenty-four thousand, four hundred one".