308016441945 has 72 divisors (see below), whose sum is σ = 571731680520. Its totient is φ = 153300026880.

The previous prime is 308016441923. The next prime is 308016441983. The reversal of 308016441945 is 549144610803.

308016441945 is a `hidden beast` number, since 30 + 8 + 0 + 164 + 419 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29827707849 + 278188734096 = 172707^2 + 527436^2 .

It is not a de Polignac number, because 308016441945 - 2⁵ = 308016441913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 308016441945.

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 71 ways as a sum of consecutive naturals, for example, 818211 + ... + 1133799.

It is an arithmetic number, because the mean of its divisors is an integer number (7940717785).

Almost surely, 2^308016441945 is an apocalyptic number.

It is an amenable number.

308016441945 is a deficient number, since it is larger than the sum of its proper divisors (263715238575).

308016441945 is a wasteful number, since it uses less digits than its factorization.

308016441945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315687 (or 315661 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

It can be divided in two parts, 30801 and 6441945, that added together give a palindrome (6472746).

The spelling of 308016441945 in words is "three hundred eight billion, sixteen million, four hundred forty-one thousand, nine hundred forty-five".