142301444442 has 16 divisors (see below), whose sum is σ = 289972755360. Its totient is φ = 46538837072.

The previous prime is 142301444413. The next prime is 142301444447. The reversal of 142301444442 is 244444103241.

It is a super-2 number, since 2×142301444442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142301444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223744092 + ... + 223744727.

It is an arithmetic number, because the mean of its divisors is an integer number (18123297210).

Almost surely, 2^142301444442 is an apocalyptic number.

142301444442 is an abundant number, since it is smaller than the sum of its proper divisors (147671310918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142301444442 is a wasteful number, since it uses less digits than its factorization.

142301444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447488877.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 142301444442 its reverse (244444103241), we get a palindrome (386745547683).

The spelling of 142301444442 in words is "one hundred forty-two billion, three hundred one million, four hundred forty-four thousand, four hundred forty-two".