142323205154 has 32 divisors (see below), whose sum is σ = 237795554304. Its totient is φ = 63442117440.

The previous prime is 142323205153. The next prime is 142323205159. The reversal of 142323205154 is 451502323241.

It is a self number, because there is not a number n which added to its sum of digits gives 142323205154.

It is not an unprimeable number, because it can be changed into a prime (142323205151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229892 + ... + 580944.

It is an arithmetic number, because the mean of its divisors is an integer number (7431111072).

Almost surely, 2^142323205154 is an apocalyptic number.

142323205154 is a deficient number, since it is larger than the sum of its proper divisors (95472349150).

142323205154 is a wasteful number, since it uses less digits than its factorization.

142323205154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351602.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 142323205154 its reverse (451502323241), we get a palindrome (593825528395).

The spelling of 142323205154 in words is "one hundred forty-two billion, three hundred twenty-three million, two hundred five thousand, one hundred fifty-four".