9618003145 has 4 divisors (see below), whose sum is σ = 11541603780. Its totient is φ = 7694402512.

The previous prime is 9618003137. The next prime is 9618003179. The reversal of 9618003145 is 5413008169.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5502524041 + 4115479104 = 74179^2 + 64152^2 .

It is a cyclic number.

It is not a de Polignac number, because 9618003145 - 2³ = 9618003137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961800310 + ... + 961800319.

It is an arithmetic number, because the mean of its divisors is an integer number (2885400945).

Almost surely, 2^9618003145 is an apocalyptic number.

It is an amenable number.

9618003145 is a deficient number, since it is larger than the sum of its proper divisors (1923600635).

9618003145 is a wasteful number, since it uses less digits than its factorization.

9618003145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923600634.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9618003145 is about 98071.4185937983. The cubic root of 9618003145 is about 2126.6448640363.

The spelling of 9618003145 in words is "nine billion, six hundred eighteen million, three thousand, one hundred forty-five".