3145194832 has 40 divisors (see below), whose sum is σ = 6595968456. Its totient is φ = 1444240896.

The previous prime is 3145194817. The next prime is 3145194883. The reversal of 3145194832 is 2384915413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1502027536 + 1643167296 = 38756^2 + 40536^2 .

It is a super-3 number, since 3×3145194832³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 2598 + ... + 79354.

Almost surely, 2^3145194832 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 3145194832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297984228).

3145194832 is an abundant number, since it is smaller than the sum of its proper divisors (3450773624).

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

3145194832 is a wasteful number, since it uses less digits than its factorization.

3145194832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76975 (or 76969 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 3145194832 is about 56082.0366249301. The cubic root of 3145194832 is about 1465.1514451645.

The spelling of 3145194832 in words is "three billion, one hundred forty-five million, one hundred ninety-four thousand, eight hundred thirty-two".