142241403 has 8 divisors (see below), whose sum is σ = 191395600. Its totient is φ = 93957408.

The previous prime is 142241401. The next prime is 142241417. The reversal of 142241403 is 304142241.

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

It is not a de Polignac number, because 142241403 - 2¹ = 142241401 is a prime.

It is the 11927-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142241403.

It is not an unprimeable number, because it can be changed into a prime (142241401) by changing a digit.

It is a nontrivial repunit in base 11926.

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 7 ways as a sum of consecutive naturals, for example, 217168 + ... + 217821.

It is an arithmetic number, because the mean of its divisors is an integer number (23924450).

Almost surely, 2^142241403 is an apocalyptic number.

142241403 is a deficient number, since it is larger than the sum of its proper divisors (49154197).

142241403 is a wasteful number, since it uses less digits than its factorization.

142241403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435101.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142241403 is about 11926.5000314426. The cubic root of 142241403 is about 522.0058167905.

Adding to 142241403 its reverse (304142241), we get a palindrome (446383644).

The spelling of 142241403 in words is "one hundred forty-two million, two hundred forty-one thousand, four hundred three".