3145085346 has 64 divisors (see below), whose sum is σ = 7057290240. Its totient is φ = 927832320.

The previous prime is 3145085341. The next prime is 3145085369. The reversal of 3145085346 is 6435805413.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3145085341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257596 + ... + 269528.

It is an arithmetic number, because the mean of its divisors is an integer number (110270160).

Almost surely, 2^3145085346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145085346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528645120).

3145085346 is an abundant number, since it is smaller than the sum of its proper divisors (3912204894).

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

3145085346 is a wasteful number, since it uses less digits than its factorization.

3145085346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 3145085346 is about 56081.0604928259. The cubic root of 3145085346 is about 1465.1344440521.

The spelling of 3145085346 in words is "three billion, one hundred forty-five million, eighty-five thousand, three hundred forty-six".