142551543 has 8 divisors (see below), whose sum is σ = 190141056. Its totient is φ = 94998200.

The previous prime is 142551533. The next prime is 142551583. The reversal of 142551543 is 345155241.

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 142551543 - 2⁴ = 142551527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142551543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142551533) 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, 2128 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (23767632).

Almost surely, 2^142551543 is an apocalyptic number.

142551543 is a deficient number, since it is larger than the sum of its proper divisors (47589513).

142551543 is a wasteful number, since it uses less digits than its factorization.

142551543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18085.

The product of its digits is 12000, while the sum is 30.

The square root of 142551543 is about 11939.4950898269. The cubic root of 142551543 is about 522.3849313542.

The spelling of 142551543 in words is "one hundred forty-two million, five hundred fifty-one thousand, five hundred forty-three".