15144204142 has 8 divisors (see below), whose sum is σ = 23244592536. Its totient is φ = 7396006632.

The previous prime is 15144204139. The next prime is 15144204161. The reversal of 15144204142 is 24140244151.

It is a happy number.

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 15144204142.

It is a congruent number.

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, 88047613 + ... + 88047784.

It is an arithmetic number, because the mean of its divisors is an integer number (2905574067).

Almost surely, 2^15144204142 is an apocalyptic number.

15144204142 is a deficient number, since it is larger than the sum of its proper divisors (8100388394).

15144204142 is a wasteful number, since it uses less digits than its factorization.

15144204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176095442.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 15144204142 its reverse (24140244151), we get a palindrome (39284448293).

The spelling of 15144204142 in words is "fifteen billion, one hundred forty-four million, two hundred four thousand, one hundred forty-two".