143814001 has 4 divisors (see below), whose sum is σ = 145238004. Its totient is φ = 142390000.

The previous prime is 143813993. The next prime is 143814007. The reversal of 143814001 is 100418341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100418341 = 101 ⋅994241.

It can be written as a sum of positive squares in 2 ways, for example, as 118048225 + 25765776 = 10865^2 + 5076^2 .

It is a cyclic number.

It is not a de Polignac number, because 143814001 - 2³ = 143813993 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143814007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711850 + ... + 712051.

It is an arithmetic number, because the mean of its divisors is an integer number (36309501).

Almost surely, 2^143814001 is an apocalyptic number.

It is an amenable number.

143814001 is a deficient number, since it is larger than the sum of its proper divisors (1424003).

143814001 is a wasteful number, since it uses less digits than its factorization.

143814001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424002.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 143814001 is about 11992.2475374719. The cubic root of 143814001 is about 523.9225078674.

The spelling of 143814001 in words is "one hundred forty-three million, eight hundred fourteen thousand, one".