1118457345 has 8 divisors (see below), whose sum is σ = 1789531776. Its totient is φ = 596510576.

The previous prime is 1118457343. The next prime is 1118457359. The reversal of 1118457345 is 5437548111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1118457345 - 2¹ = 1118457343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1118457341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37281897 + ... + 37281926.

It is an arithmetic number, because the mean of its divisors is an integer number (223691472).

Almost surely, 2^1118457345 is an apocalyptic number.

1118457345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1118457345 is a deficient number, since it is larger than the sum of its proper divisors (671074431).

1118457345 is an equidigital number, since it uses as much as digits as its factorization.

1118457345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74563831.

The product of its digits is 67200, while the sum is 39.

The square root of 1118457345 is about 33443.3453021674. The cubic root of 1118457345 is about 1038.0218020673.

The spelling of 1118457345 in words is "one billion, one hundred eighteen million, four hundred fifty-seven thousand, three hundred forty-five".