542147289 has 8 divisors (see below), whose sum is σ = 765384480. Its totient is φ = 340170816.

The previous prime is 542147239. The next prime is 542147363. The reversal of 542147289 is 982741245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542147289 - 2⁷ = 542147161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542147289.

It is not an unprimeable number, because it can be changed into a prime (542147239) 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, 5315119 + ... + 5315220.

It is an arithmetic number, because the mean of its divisors is an integer number (95673060).

Almost surely, 2^542147289 is an apocalyptic number.

It is an amenable number.

542147289 is a deficient number, since it is larger than the sum of its proper divisors (223237191).

542147289 is a wasteful number, since it uses less digits than its factorization.

542147289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630359.

The product of its digits is 161280, while the sum is 42.

The square root of 542147289 is about 23284.0565409037. The cubic root of 542147289 is about 815.4032350389.

It can be divided in two parts, 54 and 2147289, that multiplied together give a triangular number (115953606 = T₁₅₂₂₈).

The spelling of 542147289 in words is "five hundred forty-two million, one hundred forty-seven thousand, two hundred eighty-nine".