143553425133421 has 8 divisors (see below), whose sum is σ = 149324004811800. Its totient is φ = 137837542893120.

The previous prime is 143553425133403. The next prime is 143553425133457. The reversal of 143553425133421 is 124331524355341.

It can be written as a sum of positive squares in 4 ways, for example, as 2363445022500 + 141189980110921 = 1537350^2 + 11882339^2 .

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 143553425133421 - 2²⁷ = 143553290915693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143553425133221) 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, 13674354166 + ... + 13674364663.

It is an arithmetic number, because the mean of its divisors is an integer number (18665500601475).

Almost surely, 2^{143553425133421} is an apocalyptic number.

It is an amenable number.

143553425133421 is a deficient number, since it is larger than the sum of its proper divisors (5770579678379).

143553425133421 is a wasteful number, since it uses less digits than its factorization.

143553425133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27348719039.

The product of its digits is 2592000, while the sum is 46.

Adding to 143553425133421 its reverse (124331524355341), we get a palindrome (267884949488762).

The spelling of 143553425133421 in words is "one hundred forty-three trillion, five hundred fifty-three billion, four hundred twenty-five million, one hundred thirty-three thousand, four hundred twenty-one".