3158142 has 32 divisors (see below), whose sum is σ = 7163520. Its totient is φ = 920160.

The previous prime is 3158131. The next prime is 3158143. The reversal of 3158142 is 2418513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (223860).

Almost surely, 2^3158142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3158142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3581760).

3158142 is an abundant number, since it is smaller than the sum of its proper divisors (4005378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3158142 is a wasteful number, since it uses less digits than its factorization.

3158142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its digits is 960, while the sum is 24.

The square root of 3158142 is about 1777.1162032912. The cubic root of 3158142 is about 146.7159120675.

The spelling of 3158142 in words is "three million, one hundred fifty-eight thousand, one hundred forty-two".