542287149 has 8 divisors (see below), whose sum is σ = 736692192. Its totient is φ = 354703440.

The previous prime is 542287117. The next prime is 542287159. The reversal of 542287149 is 941782245.

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

It is not a de Polignac number, because 542287149 - 2⁵ = 542287117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542287149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542287159) 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, 1705147 + ... + 1705464.

It is an arithmetic number, because the mean of its divisors is an integer number (92086524).

Almost surely, 2^542287149 is an apocalyptic number.

It is an amenable number.

542287149 is a deficient number, since it is larger than the sum of its proper divisors (194405043).

542287149 is a wasteful number, since it uses less digits than its factorization.

542287149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410667.

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

The square root of 542287149 is about 23287.0596898793. The cubic root of 542287149 is about 815.4733466694.

The spelling of 542287149 in words is "five hundred forty-two million, two hundred eighty-seven thousand, one hundred forty-nine".