142322543541 has 12 divisors (see below), whose sum is σ = 206051786668. Its totient is φ = 94662566784.

The previous prime is 142322543497. The next prime is 142322543543. The reversal of 142322543541 is 145345223241.

It is a happy number.

142322543541 is a `hidden beast` number, since 1 + 42 + 3 + 22 + 54 + 3 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32380562916 + 109941980625 = 179946^2 + 331575^2 .

It is not a de Polignac number, because 142322543541 - 2¹⁹ = 142322019253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142322543496 and 142322543505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142322543543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18256630 + ... + 18264423.

Almost surely, 2^142322543541 is an apocalyptic number.

It is an amenable number.

142322543541 is a deficient number, since it is larger than the sum of its proper divisors (63729243127).

142322543541 is a wasteful number, since it uses less digits than its factorization.

142322543541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36521492 (or 36521489 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 142322543541 its reverse (145345223241), we get a palindrome (287667766782).

The spelling of 142322543541 in words is "one hundred forty-two billion, three hundred twenty-two million, five hundred forty-three thousand, five hundred forty-one".