542143487 has 8 divisors (see below), whose sum is σ = 566286240. Its totient is φ = 518364000.

The previous prime is 542143471. The next prime is 542143493. The reversal of 542143487 is 784341245.

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 542143487 - 2⁴ = 542143471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542143487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542143087) 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, 87764 + ... + 93737.

It is an arithmetic number, because the mean of its divisors is an integer number (70785780).

Almost surely, 2^542143487 is an apocalyptic number.

542143487 is a deficient number, since it is larger than the sum of its proper divisors (24142753).

542143487 is a wasteful number, since it uses less digits than its factorization.

542143487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181633.

The product of its digits is 107520, while the sum is 38.

The square root of 542143487 is about 23283.9748969114. The cubic root of 542143487 is about 815.4013289330.

The spelling of 542143487 in words is "five hundred forty-two million, one hundred forty-three thousand, four hundred eighty-seven".