142545450242 has 64 divisors (see below), whose sum is σ = 243855360000. Its totient is φ = 61950547008.

The previous prime is 142545450239. The next prime is 142545450247. The reversal of 142545450242 is 242054545241.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 142545450196 and 142545450205.

It is not an unprimeable number, because it can be changed into a prime (142545450247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101890259 + ... + 101891657.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240000).

Almost surely, 2^142545450242 is an apocalyptic number.

142545450242 is a deficient number, since it is larger than the sum of its proper divisors (101309909758).

142545450242 is a wasteful number, since it uses less digits than its factorization.

142545450242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 142545450242 its reverse (242054545241), we get a palindrome (384599995483).

The spelling of 142545450242 in words is "one hundred forty-two billion, five hundred forty-five million, four hundred fifty thousand, two hundred forty-two".