3142155 has 8 divisors (see below), whose sum is σ = 5027472. Its totient is φ = 1675808.

The previous prime is 3142123. The next prime is 3142157. The reversal of 3142155 is 5512413.

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 3142155 - 2⁵ = 3142123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3142157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104724 + ... + 104753.

It is an arithmetic number, because the mean of its divisors is an integer number (628434).

Almost surely, 2^3142155 is an apocalyptic number.

3142155 is a deficient number, since it is larger than the sum of its proper divisors (1885317).

3142155 is a wasteful number, since it uses less digits than its factorization.

3142155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209485.

The product of its digits is 600, while the sum is 21.

The square root of 3142155 is about 1772.6124788007. The cubic root of 3142155 is about 146.4679269870.

Adding to 3142155 its reverse (5512413), we get a palindrome (8654568).

The spelling of 3142155 in words is "three million, one hundred forty-two thousand, one hundred fifty-five".