143316001 has 4 divisors (see below), whose sum is σ = 151746372. Its totient is φ = 134885632.

The previous prime is 143315989. The next prime is 143316029. The reversal of 143316001 is 100613341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100613341 = 19 ⋅5295439.

It can be written as a sum of positive squares in 2 ways, for example, as 100400400 + 42915601 = 10020^2 + 6551^2 .

It is a cyclic number.

It is not a de Polignac number, because 143316001 - 2¹³ = 143307809 is a prime.

It is a super-2 number, since 2×143316001² = 41078952285264002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143316001.

It is not an unprimeable number, because it can be changed into a prime (143316091) 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, 4215160 + ... + 4215193.

It is an arithmetic number, because the mean of its divisors is an integer number (37936593).

Almost surely, 2^143316001 is an apocalyptic number.

It is an amenable number.

143316001 is a deficient number, since it is larger than the sum of its proper divisors (8430371).

143316001 is an equidigital number, since it uses as much as digits as its factorization.

143316001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8430370.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 143316001 is about 11971.4661173977. The cubic root of 143316001 is about 523.3170611283.

Adding to 143316001 its reverse (100613341), we get a palindrome (243929342).

The spelling of 143316001 in words is "one hundred forty-three million, three hundred sixteen thousand, one".