143432001 has 6 divisors (see below), whose sum is σ = 207179570. Its totient is φ = 95621328.

The previous prime is 143431991. The next prime is 143432021. The reversal of 143432001 is 100234341.

It can be written as a sum of positive squares in only one way, i.e., 117939600 + 25492401 = 10860^2 + 5049^2 .

It is not a de Polignac number, because 143432001 - 2¹¹ = 143429953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143432021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7968436 + ... + 7968453.

Almost surely, 2^143432001 is an apocalyptic number.

It is an amenable number.

143432001 is a deficient number, since it is larger than the sum of its proper divisors (63747569).

143432001 is a wasteful number, since it uses less digits than its factorization.

143432001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936895 (or 15936892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143432001 is about 11976.3099909780. The cubic root of 143432001 is about 523.4582140302.

Adding to 143432001 its reverse (100234341), we get a palindrome (243666342).

The spelling of 143432001 in words is "one hundred forty-three million, four hundred thirty-two thousand, one".