1145888085 has 16 divisors (see below), whose sum is σ = 1833854400. Its totient is φ = 610995840.

The previous prime is 1145888057. The next prime is 1145888087. The reversal of 1145888085 is 5808885411.

It is not a de Polignac number, because 1145888085 - 2⁶ = 1145888021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145888087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95766 + ... + 107064.

It is an arithmetic number, because the mean of its divisors is an integer number (114615900).

Almost surely, 2^1145888085 is an apocalyptic number.

1145888085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145888085 is a deficient number, since it is larger than the sum of its proper divisors (687966315).

1145888085 is a wasteful number, since it uses less digits than its factorization.

1145888085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068.

The product of its (nonzero) digits is 409600, while the sum is 48.

The square root of 1145888085 is about 33850.9687453698. The cubic root of 1145888085 is about 1046.4393632715.

The spelling of 1145888085 in words is "one billion, one hundred forty-five million, eight hundred eighty-eight thousand, eighty-five".