1945111308 has 96 divisors (see below), whose sum is σ = 5285865984. Its totient is φ = 545246208.

The previous prime is 1945111279. The next prime is 1945111319. The reversal of 1945111308 is 8031115491.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093716 + ... + 1095492.

It is an arithmetic number, because the mean of its divisors is an integer number (55061104).

Almost surely, 2^1945111308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945111308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642932992).

1945111308 is an abundant number, since it is smaller than the sum of its proper divisors (3340754676).

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

1945111308 is a wasteful number, since it uses less digits than its factorization.

1945111308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 1945111308 is about 44103.4160581695. The cubic root of 1945111308 is about 1248.2880688771.

Adding to 1945111308 its reverse (8031115491), we get a palindrome (9976226799).

The spelling of 1945111308 in words is "one billion, nine hundred forty-five million, one hundred eleven thousand, three hundred eight".