3151142 has 16 divisors (see below), whose sum is σ = 4915680. Its totient is φ = 1513728.

The previous prime is 3151139. The next prime is 3151153. The reversal of 3151142 is 2411513.

It is a self number, because there is not a number n which added to its sum of digits gives 3151142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6959 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (307230).

Almost surely, 2^3151142 is an apocalyptic number.

3151142 is a deficient number, since it is larger than the sum of its proper divisors (1764538).

3151142 is a wasteful number, since it uses less digits than its factorization.

3151142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575.

The product of its digits is 120, while the sum is 17.

The square root of 3151142 is about 1775.1456278289. The cubic root of 3151142 is about 146.6074336111.

Adding to 3151142 its reverse (2411513), we get a palindrome (5562655).

The spelling of 3151142 in words is "three million, one hundred fifty-one thousand, one hundred forty-two".