1145232515 has 16 divisors (see below), whose sum is σ = 1571250432. Its totient is φ = 784979424.

The previous prime is 1145232499. The next prime is 1145232577. The reversal of 1145232515 is 5152325411.

It is a cyclic number.

It is not a de Polignac number, because 1145232515 - 2⁴ = 1145232499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106412 + ... + 116678.

It is an arithmetic number, because the mean of its divisors is an integer number (98203152).

Almost surely, 2^1145232515 is an apocalyptic number.

1145232515 is a deficient number, since it is larger than the sum of its proper divisors (426017917).

1145232515 is a wasteful number, since it uses less digits than its factorization.

1145232515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466.

The product of its digits is 6000, while the sum is 29.

The square root of 1145232515 is about 33841.2841807163. The cubic root of 1145232515 is about 1046.2397669559.

Adding to 1145232515 its reverse (5152325411), we get a palindrome (6297557926).

The spelling of 1145232515 in words is "one billion, one hundred forty-five million, two hundred thirty-two thousand, five hundred fifteen".