143146241 has 8 divisors (see below), whose sum is σ = 163949760. Its totient is φ = 122431248.

The previous prime is 143146219. The next prime is 143146249. The reversal of 143146241 is 142641341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143146241 - 2¹⁸ = 142884097 is a prime.

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 143146241.

It is not an unprimeable number, because it can be changed into a prime (143146249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18626 + ... + 25163.

It is an arithmetic number, because the mean of its divisors is an integer number (20493720).

Almost surely, 2^143146241 is an apocalyptic number.

It is an amenable number.

143146241 is a deficient number, since it is larger than the sum of its proper divisors (20803519).

143146241 is an equidigital number, since it uses as much as digits as its factorization.

143146241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44263.

The product of its digits is 2304, while the sum is 26.

The square root of 143146241 is about 11964.3738239826. The cubic root of 143146241 is about 523.1103537973.

Adding to 143146241 its reverse (142641341), we get a palindrome (285787582).

The spelling of 143146241 in words is "one hundred forty-three million, one hundred forty-six thousand, two hundred forty-one".