1115445465 has 16 divisors (see below), whose sum is σ = 1983014400. Its totient is φ = 594904176.

The previous prime is 1115445449. The next prime is 1115445523. The reversal of 1115445465 is 5645445111.

1115445465 is a `hidden beast` number, since 1 + 1 + 1 + 544 + 54 + 65 = 666.

It is not a de Polignac number, because 1115445465 - 2⁴ = 1115445449 is a prime.

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, 4131145 + ... + 4131414.

It is an arithmetic number, because the mean of its divisors is an integer number (123938400).

Almost surely, 2^1115445465 is an apocalyptic number.

1115445465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115445465 is a deficient number, since it is larger than the sum of its proper divisors (867568935).

1115445465 is an equidigital number, since it uses as much as digits as its factorization.

1115445465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262573 (or 8262567 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 1115445465 is about 33398.2853601798. The cubic root of 1115445465 is about 1037.0892057340.

The spelling of 1115445465 in words is "one billion, one hundred fifteen million, four hundred forty-five thousand, four hundred sixty-five".