3145748 has 12 divisors (see below), whose sum is σ = 5829012. Its totient is φ = 1480320.

The previous prime is 3145741. The next prime is 3145771. The reversal of 3145748 is 8475413.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 228484 = 1708^2 + 478^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 3 + 1 + 4 + 5 + 7 + 4¹⁰ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23063 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (485751).

Almost surely, 2^3145748 is an apocalyptic number.

It is an amenable number.

3145748 is a deficient number, since it is larger than the sum of its proper divisors (2683264).

3145748 is a wasteful number, since it uses less digits than its factorization.

3145748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46282 (or 46280 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 3145748 is about 1773.6256651278. The cubic root of 3145748 is about 146.5237335698.

The spelling of 3145748 in words is "three million, one hundred forty-five thousand, seven hundred forty-eight".