143420242401 has 6 divisors (see below), whose sum is σ = 207162572370. Its totient is φ = 95613494928.

The previous prime is 143420242391. The next prime is 143420242403. The reversal of 143420242401 is 104242024341.

143420242401 is a `hidden beast` number, since 1 + 4 + 34 + 202 + 424 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128324434176 + 15095808225 = 358224^2 + 122865^2 .

It is not a de Polignac number, because 143420242401 - 2⁶ = 143420242337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143420242403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7967791236 + ... + 7967791253.

It is an arithmetic number, because the mean of its divisors is an integer number (34527095395).

Almost surely, 2^143420242401 is an apocalyptic number.

It is an amenable number.

143420242401 is a deficient number, since it is larger than the sum of its proper divisors (63742329969).

143420242401 is a wasteful number, since it uses less digits than its factorization.

143420242401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935582495 (or 15935582492 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 143420242401 its reverse (104242024341), we get a palindrome (247662266742).

The spelling of 143420242401 in words is "one hundred forty-three billion, four hundred twenty million, two hundred forty-two thousand, four hundred one".