1145748618 has 48 divisors (see below), whose sum is σ = 2911510080. Its totient is φ = 327168720.

The previous prime is 1145748599. The next prime is 1145748629. The reversal of 1145748618 is 8168475411.

1145748618 is a `hidden beast` number, since 1 + 14 + 574 + 8 + 61 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657228 + ... + 658968.

It is an arithmetic number, because the mean of its divisors is an integer number (60656460).

Almost surely, 2^1145748618 is an apocalyptic number.

1145748618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1145748618 is an abundant number, since it is smaller than the sum of its proper divisors (1765761462).

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

1145748618 is an frugal number, since it uses more digits than its factorization.

1145748618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 1753 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 1145748618 is about 33848.9086677843. The cubic root of 1145748618 is about 1046.3969072114.

The spelling of 1145748618 in words is "one billion, one hundred forty-five million, seven hundred forty-eight thousand, six hundred eighteen".