143421434421201 has 64 divisors (see below), whose sum is σ = 225093503093760. Its totient is φ = 89942452266240.

The previous prime is 143421434421193. The next prime is 143421434421257. The reversal of 143421434421201 is 102124434124341.

143421434421201 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 2 + 1 + 4 + 3 + 442 + 1 + 201 = 666.

It is not a de Polignac number, because 143421434421201 - 2³ = 143421434421193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143421434421271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9418882150 + ... + 9418897376.

It is an arithmetic number, because the mean of its divisors is an integer number (3517085985840).

Almost surely, 2^{143421434421201} is an apocalyptic number.

It is an amenable number.

143421434421201 is a deficient number, since it is larger than the sum of its proper divisors (81672068672559).

143421434421201 is a wasteful number, since it uses less digits than its factorization.

143421434421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24731 (or 24725 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 143421434421201 its reverse (102124434124341), we get a palindrome (245545868545542).

The spelling of 143421434421201 in words is "one hundred forty-three trillion, four hundred twenty-one billion, four hundred thirty-four million, four hundred twenty-one thousand, two hundred one".