143534135525 has 18 divisors (see below), whose sum is σ = 195633472146. Its totient is φ = 104388460000.

The previous prime is 143534135467. The next prime is 143534135527. The reversal of 143534135525 is 525531435341.

It can be written as a sum of positive squares in 3 ways, for example, as 21089429284 + 122444706241 = 145222^2 + 349921^2 .

It is not a de Polignac number, because 143534135525 - 2¹⁸ = 143533873381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143534135527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23721626 + ... + 23727675.

Almost surely, 2^143534135525 is an apocalyptic number.

It is an amenable number.

143534135525 is a deficient number, since it is larger than the sum of its proper divisors (52099336621).

143534135525 is a wasteful number, since it uses less digits than its factorization.

143534135525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47449333 (or 47449317 counting only the distinct ones).

The product of its digits is 540000, while the sum is 41.

The spelling of 143534135525 in words is "one hundred forty-three billion, five hundred thirty-four million, one hundred thirty-five thousand, five hundred twenty-five".