142545543 has 24 divisors (see below), whose sum is σ = 229258368. Its totient is φ = 77163408.

The previous prime is 142545541. The next prime is 142545547. The reversal of 142545543 is 345545241.

142545543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142545543 - 2¹ = 142545541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142545541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1821 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (9552432).

Almost surely, 2^142545543 is an apocalyptic number.

142545543 is a deficient number, since it is larger than the sum of its proper divisors (86712825).

142545543 is a wasteful number, since it uses less digits than its factorization.

142545543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851 (or 18832 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 142545543 is about 11939.2438202761. The cubic root of 142545543 is about 522.3776021840.

The spelling of 142545543 in words is "one hundred forty-two million, five hundred forty-five thousand, five hundred forty-three".