3143155 has 8 divisors (see below), whose sum is σ = 3798000. Its totient is φ = 2497056.

The previous prime is 3143149. The next prime is 3143159. The reversal of 3143155 is 5513413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3143155 - 2⁷ = 3143027 is a prime.

3143155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3143159) 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 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (474750).

Almost surely, 2^3143155 is an apocalyptic number.

3143155 is a deficient number, since it is larger than the sum of its proper divisors (654845).

3143155 is a wasteful number, since it uses less digits than its factorization.

3143155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373.

The product of its digits is 900, while the sum is 22.

The square root of 3143155 is about 1772.8945259095. The cubic root of 3143155 is about 146.4834632874.

Adding to 3143155 its reverse (5513413), we get a palindrome (8656568).

The spelling of 3143155 in words is "three million, one hundred forty-three thousand, one hundred fifty-five".