308356327845 has 90 divisors (see below), whose sum is σ = 567411085494. Its totient is φ = 160207165440.

The previous prime is 308356327739. The next prime is 308356327879. The reversal of 308356327845 is 548723653803.

It is a happy number.

308356327845 is a `hidden beast` number, since 3 + 0 + 8 + 3 + 563 + 2 + 78 + 4 + 5 = 666.

It can be written as a sum of positive squares in 9 ways, for example, as 268719897924 + 39636429921 = 518382^2 + 199089^2 .

It is not a de Polignac number, because 308356327845 - 2⁸ = 308356327589 is a prime.

It is a super-3 number, since 3×308356327845³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 308356327791 and 308356327800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 458181429 + ... + 458182101.

Almost surely, 2^308356327845 is an apocalyptic number.

It is an amenable number.

308356327845 is a deficient number, since it is larger than the sum of its proper divisors (259054757649).

308356327845 is an frugal number, since it uses more digits than its factorization.

308356327845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 308356327845 in words is "three hundred eight billion, three hundred fifty-six million, three hundred twenty-seven thousand, eight hundred forty-five".