306306915945 has 8 divisors (see below), whose sum is σ = 490091065536. Its totient is φ = 163363688496.

The previous prime is 306306915869. The next prime is 306306915961. The reversal of 306306915945 is 549519603603.

It is a happy number.

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

It is not a de Polignac number, because 306306915945 - 2¹⁵ = 306306883177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10210230517 + ... + 10210230546.

It is an arithmetic number, because the mean of its divisors is an integer number (61261383192).

Almost surely, 2^306306915945 is an apocalyptic number.

It is an amenable number.

306306915945 is a deficient number, since it is larger than the sum of its proper divisors (183784149591).

306306915945 is a wasteful number, since it uses less digits than its factorization.

306306915945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20420461071.

The product of its (nonzero) digits is 2624400, while the sum is 51.

The spelling of 306306915945 in words is "three hundred six billion, three hundred six million, nine hundred fifteen thousand, nine hundred forty-five".