542431147 has 4 divisors (see below), whose sum is σ = 543885760. Its totient is φ = 540976536.

The previous prime is 542431091. The next prime is 542431159. The reversal of 542431147 is 741134245.

542431147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542431147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542431177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726747 + ... + 727492.

It is an arithmetic number, because the mean of its divisors is an integer number (135971440).

Almost surely, 2^542431147 is an apocalyptic number.

542431147 is a deficient number, since it is larger than the sum of its proper divisors (1454613).

542431147 is a wasteful number, since it uses less digits than its factorization.

542431147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454612.

The product of its digits is 13440, while the sum is 31.

The square root of 542431147 is about 23290.1512876151. The cubic root of 542431147 is about 815.5455200797.

The spelling of 542431147 in words is "five hundred forty-two million, four hundred thirty-one thousand, one hundred forty-seven".