3145637 has 6 divisors (see below), whose sum is σ = 3457734. Its totient is φ = 2859560.

The previous prime is 3145633. The next prime is 3145661. The reversal of 3145637 is 7365413.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 1069156 = 1441^2 + 1034^2 .

It is not a de Polignac number, because 3145637 - 2² = 3145633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145633) 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 5 ways as a sum of consecutive naturals, for example, 12878 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (576289).

Almost surely, 2^3145637 is an apocalyptic number.

It is an amenable number.

3145637 is a deficient number, since it is larger than the sum of its proper divisors (312097).

3145637 is a wasteful number, since it uses less digits than its factorization.

3145637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26019 (or 26008 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 3145637 is about 1773.5943730177. The cubic root of 3145637 is about 146.5220101508.

The spelling of 3145637 in words is "three million, one hundred forty-five thousand, six hundred thirty-seven".