501144242 has 8 divisors (see below), whose sum is σ = 761232000. Its totient is φ = 247400244.

The previous prime is 501144223. The next prime is 501144251. The reversal of 501144242 is 242441105.

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

It is a super-2 number, since 2×501144242² = 502291102579509128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585742 + ... + 1586057.

It is an arithmetic number, because the mean of its divisors is an integer number (95154000).

Almost surely, 2^501144242 is an apocalyptic number.

501144242 is a deficient number, since it is larger than the sum of its proper divisors (260087758).

501144242 is a wasteful number, since it uses less digits than its factorization.

501144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171880.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 501144242 is about 22386.2511823664. The cubic root of 501144242 is about 794.3055216957.

Adding to 501144242 its reverse (242441105), we get a palindrome (743585347).

The spelling of 501144242 in words is "five hundred one million, one hundred forty-four thousand, two hundred forty-two".