142455543 has 16 divisors (see below), whose sum is σ = 194995200. Its totient is φ = 92464416.

The previous prime is 142455541. The next prime is 142455553. The reversal of 142455543 is 345554241.

It is not a de Polignac number, because 142455543 - 2¹ = 142455541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142455541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25521 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (12187200).

Almost surely, 2^142455543 is an apocalyptic number.

142455543 is a deficient number, since it is larger than the sum of its proper divisors (52539657).

142455543 is a wasteful number, since it uses less digits than its factorization.

142455543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326.

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

The square root of 142455543 is about 11935.4741422367. The cubic root of 142455543 is about 522.2676399427.

The spelling of 142455543 in words is "one hundred forty-two million, four hundred fifty-five thousand, five hundred forty-three".