1145361115 has 16 divisors (see below), whose sum is σ = 1407707136. Its totient is φ = 894146400.

The previous prime is 1145361103. The next prime is 1145361121. The reversal of 1145361115 is 5111635411.

It is not a de Polignac number, because 1145361115 - 2⁵ = 1145361083 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, 336070 + ... + 339460.

It is an arithmetic number, because the mean of its divisors is an integer number (87981696).

Almost surely, 2^1145361115 is an apocalyptic number.

1145361115 is a deficient number, since it is larger than the sum of its proper divisors (262346021).

1145361115 is a wasteful number, since it uses less digits than its factorization.

1145361115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010.

The product of its digits is 1800, while the sum is 28.

The square root of 1145361115 is about 33843.1841734787. The cubic root of 1145361115 is about 1046.2789268053.

Adding to 1145361115 its reverse (5111635411), we get a palindrome (6256996526).

The spelling of 1145361115 in words is "one billion, one hundred forty-five million, three hundred sixty-one thousand, one hundred fifteen".