1145685000 has 80 divisors (see below), whose sum is σ = 3579166800. Its totient is φ = 305512000.

The previous prime is 1145684977. The next prime is 1145685001. The reversal of 1145685000 is 5865411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1145685001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23190 + ... + 53189.

It is an arithmetic number, because the mean of its divisors is an integer number (44739585).

Almost surely, 2^1145685000 is an apocalyptic number.

1145685000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145685000 is an abundant number, since it is smaller than the sum of its proper divisors (2433481800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145685000 is an equidigital number, since it uses as much as digits as its factorization.

1145685000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76408 (or 76389 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1145685000 is about 33847.9689198628. The cubic root of 1145685000 is about 1046.3775396964.

The spelling of 1145685000 in words is "one billion, one hundred forty-five million, six hundred eighty-five thousand".