143412001 has 4 divisors (see below), whose sum is σ = 143475604. Its totient is φ = 143348400.

The previous prime is 143411987. The next prime is 143412007. The reversal of 143412001 is 100214341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59213025 + 84198976 = 7695^2 + 9176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143412001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143412007) 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, 28290 + ... + 32971.

It is an arithmetic number, because the mean of its divisors is an integer number (35868901).

Almost surely, 2^143412001 is an apocalyptic number.

It is an amenable number.

143412001 is a deficient number, since it is larger than the sum of its proper divisors (63603).

143412001 is an equidigital number, since it uses as much as digits as its factorization.

143412001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63602.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143412001 is about 11975.4749801417. The cubic root of 143412001 is about 523.4338827539.

Adding to 143412001 its reverse (100214341), we get a palindrome (243626342).

The spelling of 143412001 in words is "one hundred forty-three million, four hundred twelve thousand, one".