143415641 has 8 divisors (see below), whose sum is σ = 148303104. Its totient is φ = 138544560.

The previous prime is 143415637. The next prime is 143415647. The reversal of 143415641 is 146514341.

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 143415641 - 2² = 143415637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143415647) 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, 15230 + ... + 22776.

It is an arithmetic number, because the mean of its divisors is an integer number (18537888).

Almost surely, 2^143415641 is an apocalyptic number.

It is an amenable number.

143415641 is a deficient number, since it is larger than the sum of its proper divisors (4887463).

143415641 is an equidigital number, since it uses as much as digits as its factorization.

143415641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

The product of its digits is 5760, while the sum is 29.

The square root of 143415641 is about 11975.6269564478. The cubic root of 143415641 is about 523.4383112146.

Adding to 143415641 its reverse (146514341), we get a palindrome (289929982).

The spelling of 143415641 in words is "one hundred forty-three million, four hundred fifteen thousand, six hundred forty-one".