168142344 has 16 divisors (see below), whose sum is σ = 420355920. Its totient is φ = 56047440.

The previous prime is 168142339. The next prime is 168142349. The reversal of 168142344 is 443241861.

It is an interprime number because it is at equal distance from previous prime (168142339) and next prime (168142349).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (168142349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3502942 + ... + 3502989.

It is an arithmetic number, because the mean of its divisors is an integer number (26272245).

Almost surely, 2^168142344 is an apocalyptic number.

It is an amenable number.

168142344 is an abundant number, since it is smaller than the sum of its proper divisors (252213576).

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

168142344 is a wasteful number, since it uses less digits than its factorization.

168142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005940 (or 7005936 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 168142344 is about 12966.9712732002. The cubic root of 168142344 is about 551.9406310861.

The spelling of 168142344 in words is "one hundred sixty-eight million, one hundred forty-two thousand, three hundred forty-four".