542245012 has 6 divisors (see below), whose sum is σ = 948928778. Its totient is φ = 271122504.

The previous prime is 542244991. The next prime is 542245013. The reversal of 542245012 is 210542245.

It can be written as a sum of positive squares in only one way, i.e., 529184016 + 13060996 = 23004^2 + 3614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542245013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67780623 + ... + 67780630.

Almost surely, 2^542245012 is an apocalyptic number.

It is an amenable number.

542245012 is a deficient number, since it is larger than the sum of its proper divisors (406683766).

542245012 is a wasteful number, since it uses less digits than its factorization.

542245012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135561257 (or 135561255 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 542245012 is about 23286.1549423687. The cubic root of 542245012 is about 815.4522247167.

Adding to 542245012 its reverse (210542245), we get a palindrome (752787257).

The spelling of 542245012 in words is "five hundred forty-two million, two hundred forty-five thousand, twelve".