8145335418 has 16 divisors (see below), whose sum is σ = 17771641056. Its totient is φ = 2468283440.

The previous prime is 8145335389. The next prime is 8145335431.

It is a happy number.

8145335418 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8145335418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61707021 + ... + 61707152.

It is an arithmetic number, because the mean of its divisors is an integer number (1110727566).

Almost surely, 2^8145335418 is an apocalyptic number.

8145335418 is an abundant number, since it is smaller than the sum of its proper divisors (9626305638).

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

8145335418 is a wasteful number, since it uses less digits than its factorization.

8145335418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123414189.

The product of its digits is 230400, while the sum is 42.

The square root of 8145335418 is about 90251.5119984147. The cubic root of 8145335418 is about 2012.0386745936.

The spelling of 8145335418 in words is "eight billion, one hundred forty-five million, three hundred thirty-five thousand, four hundred eighteen".