3145783207 has 54 divisors (see below), whose sum is σ = 4049460168. Its totient is φ = 2393282304.

The previous prime is 3145783183. The next prime is 3145783243. The reversal of 3145783207 is 7023875413.

It is a happy number.

It is not a de Polignac number, because 3145783207 - 2⁷ = 3145783079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145783207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145783007) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 73157728 + ... + 73157770.

Almost surely, 2^3145783207 is an apocalyptic number.

3145783207 is a deficient number, since it is larger than the sum of its proper divisors (903676961).

3145783207 is an equidigital number, since it uses as much as digits as its factorization.

3145783207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 3145783207 is about 56087.2820432583. The cubic root of 3145783207 is about 1465.2428019566.

The spelling of 3145783207 in words is "three billion, one hundred forty-five million, seven hundred eighty-three thousand, two hundred seven".