3154142 has 4 divisors (see below), whose sum is σ = 4731216. Its totient is φ = 1577070.

The previous prime is 3154141. The next prime is 3154147. The reversal of 3154142 is 2414513.

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

It is a super-2 number, since 2×3154142² = 19897223512328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3154141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788534 + ... + 788537.

It is an arithmetic number, because the mean of its divisors is an integer number (1182804).

Almost surely, 2^3154142 is an apocalyptic number.

3154142 is a deficient number, since it is larger than the sum of its proper divisors (1577074).

3154142 is a wasteful number, since it uses less digits than its factorization.

3154142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577073.

The product of its digits is 480, while the sum is 20.

The square root of 3154142 is about 1775.9904279021. The cubic root of 3154142 is about 146.6539440296.

Adding to 3154142 its reverse (2414513), we get a palindrome (5568655).

The spelling of 3154142 in words is "three million, one hundred fifty-four thousand, one hundred forty-two".