318467142 has 96 divisors (see below), whose sum is σ = 813017088. Its totient is φ = 88216128.

The previous prime is 318467141. The next prime is 318467161. The reversal of 318467142 is 241764813.

It is a junction number, because it is equal to n+sod(n) for n = 318467097 and 318467106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318467141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 687603 + ... + 688065.

It is an arithmetic number, because the mean of its divisors is an integer number (8468928).

Almost surely, 2^318467142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318467142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406508544).

318467142 is an abundant number, since it is smaller than the sum of its proper divisors (494549946).

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

318467142 is a wasteful number, since it uses less digits than its factorization.

318467142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 631 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 318467142 is about 17845.6477046926. The cubic root of 318467142 is about 682.8964841936.

The spelling of 318467142 in words is "three hundred eighteen million, four hundred sixty-seven thousand, one hundred forty-two".