533144242 has 8 divisors (see below), whose sum is σ = 846758556. Its totient is φ = 250891392.

The previous prime is 533144233. The next prime is 533144251. The reversal of 533144242 is 242441335.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (533144233) and next prime (533144251).

It can be written as a sum of positive squares in 2 ways, for example, as 526748401 + 6395841 = 22951^2 + 2529^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 533144242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7840323 + ... + 7840390.

Almost surely, 2^533144242 is an apocalyptic number.

533144242 is a deficient number, since it is larger than the sum of its proper divisors (313614314).

533144242 is a wasteful number, since it uses less digits than its factorization.

533144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680732.

The product of its digits is 11520, while the sum is 28.

The square root of 533144242 is about 23089.9164571897. The cubic root of 533144242 is about 810.8644137738.

Adding to 533144242 its reverse (242441335), we get a palindrome (775585577).

The spelling of 533144242 in words is "five hundred thirty-three million, one hundred forty-four thousand, two hundred forty-two".