43142000 has 160 divisors (see below), whose sum is σ = 119081664. Its totient is φ = 14976000.

The previous prime is 43141999. The next prime is 43142003. The reversal of 43142000 is 24134.

It is a super-2 number, since 2×43142000² = 3722464328000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813974 + ... + 814026.

Almost surely, 2^43142000 is an apocalyptic number.

43142000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59540832).

43142000 is an abundant number, since it is smaller than the sum of its proper divisors (75939664).

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

43142000 is a wasteful number, since it uses less digits than its factorization.

43142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 43142000 is about 6568.2569986260. The cubic root of 43142000 is about 350.7250276748.

Adding to 43142000 its reverse (24134), we get a palindrome (43166134).

The spelling of 43142000 in words is "forty-three million, one hundred forty-two thousand".