244020142 has 8 divisors (see below), whose sum is σ = 387561456. Its totient is φ = 114832992.

The previous prime is 244020071. The next prime is 244020149. The reversal of 244020142 is 241020442.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244020149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3588498 + ... + 3588565.

It is an arithmetic number, because the mean of its divisors is an integer number (48445182).

Almost surely, 2^244020142 is an apocalyptic number.

244020142 is a deficient number, since it is larger than the sum of its proper divisors (143541314).

244020142 is a wasteful number, since it uses less digits than its factorization.

244020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177082.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 244020142 is about 15621.1440682173. The cubic root of 244020142 is about 624.8971709228.

Adding to 244020142 its reverse (241020442), we get a palindrome (485040584).

The spelling of 244020142 in words is "two hundred forty-four million, twenty thousand, one hundred forty-two".