1145411515 has 4 divisors (see below), whose sum is σ = 1374493824. Its totient is φ = 916329208.

The previous prime is 1145411489. The next prime is 1145411539. The reversal of 1145411515 is 5151145411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145411515 - 2⁵ = 1145411483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114541147 + ... + 114541156.

It is an arithmetic number, because the mean of its divisors is an integer number (343623456).

Almost surely, 2^1145411515 is an apocalyptic number.

1145411515 is a deficient number, since it is larger than the sum of its proper divisors (229082309).

1145411515 is an equidigital number, since it uses as much as digits as its factorization.

1145411515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229082308.

The product of its digits is 2000, while the sum is 28.

The square root of 1145411515 is about 33843.9287760744. The cubic root of 1145411515 is about 1046.2942732562.

Adding to 1145411515 its reverse (5151145411), we get a palindrome (6296556926).

The spelling of 1145411515 in words is "one billion, one hundred forty-five million, four hundred eleven thousand, five hundred fifteen".