3162142 has 4 divisors (see below), whose sum is σ = 4743216. Its totient is φ = 1581070.

The previous prime is 3162101. The next prime is 3162143. The reversal of 3162142 is 2412613.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790534 + ... + 790537.

It is an arithmetic number, because the mean of its divisors is an integer number (1185804).

Almost surely, 2^3162142 is an apocalyptic number.

3162142 is a deficient number, since it is larger than the sum of its proper divisors (1581074).

3162142 is a wasteful number, since it uses less digits than its factorization.

3162142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581073.

The product of its digits is 288, while the sum is 19.

The square root of 3162142 is about 1778.2412659704. The cubic root of 3162142 is about 146.7778278031. Note that the first 3 decimals are identical.

Adding to 3162142 its reverse (2412613), we get a palindrome (5574755).

The spelling of 3162142 in words is "three million, one hundred sixty-two thousand, one hundred forty-two".