143611401 has 8 divisors (see below), whose sum is σ = 191632320. Its totient is φ = 95665712.

The previous prime is 143611399. The next prime is 143611411. The reversal of 143611401 is 104116341.

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 143611401 - 2¹ = 143611399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143611411) 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, 14190 + ... + 22103.

It is an arithmetic number, because the mean of its divisors is an integer number (23954040).

Almost surely, 2^143611401 is an apocalyptic number.

It is an amenable number.

143611401 is a deficient number, since it is larger than the sum of its proper divisors (48020919).

143611401 is a wasteful number, since it uses less digits than its factorization.

143611401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37615.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 143611401 is about 11983.7974365391. The cubic root of 143611401 is about 523.6763645071.

Adding to 143611401 its reverse (104116341), we get a palindrome (247727742).

The spelling of 143611401 in words is "one hundred forty-three million, six hundred eleven thousand, four hundred one".