3145772 has 12 divisors (see below), whose sum is σ = 6291600. Its totient is φ = 1348176.

The previous prime is 3145771. The next prime is 3145781. The reversal of 3145772 is 2775413.

3145772 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3145771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56147 + ... + 56202.

It is an arithmetic number, because the mean of its divisors is an integer number (524300).

Almost surely, 2^3145772 is an apocalyptic number.

It is an amenable number.

3145772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3145772 is a wasteful number, since it uses less digits than its factorization.

3145772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112360 (or 112358 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 3145772 is about 1773.6324309168. The cubic root of 3145772 is about 146.5241061956.

The spelling of 3145772 in words is "three million, one hundred forty-five thousand, seven hundred seventy-two".