43142001 has 12 divisors (see below), whose sum is σ = 66914352. Its totient is φ = 24652488.

The previous prime is 43141999. The next prime is 43142003. The reversal of 43142001 is 10024134.

It is an interprime number because it is at equal distance from previous prime (43141999) and next prime (43142003).

It is not a de Polignac number, because 43142001 - 2¹ = 43141999 is a prime.

It is a super-2 number, since 2×43142001² = 3722464500568002, which contains 22 as substring.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146595 + ... + 146888.

It is an arithmetic number, because the mean of its divisors is an integer number (5576196).

Almost surely, 2^43142001 is an apocalyptic number.

It is an amenable number.

43142001 is a deficient number, since it is larger than the sum of its proper divisors (23772351).

43142001 is a wasteful number, since it uses less digits than its factorization.

43142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293500 (or 293493 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 43142001 is about 6568.2570747497. The cubic root of 43142001 is about 350.7250303847.

Adding to 43142001 its reverse (10024134), we get a palindrome (53166135).

The spelling of 43142001 in words is "forty-three million, one hundred forty-two thousand, one".