142450301538 has 20 divisors (see below), whose sum is σ = 319194194550. Its totient is φ = 47483433792.

The previous prime is 142450301537. The next prime is 142450301597. The reversal of 142450301538 is 835103054241.

142450301538 is a `hidden beast` number, since 1 + 42 + 4 + 50 + 30 + 1 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132814326969 + 9635974569 = 364437^2 + 98163^2 .

It is not an unprimeable number, because it can be changed into a prime (142450301537) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 439661263 + ... + 439661586.

Almost surely, 2^142450301538 is an apocalyptic number.

142450301538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142450301538 is an abundant number, since it is smaller than the sum of its proper divisors (176743893012).

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

142450301538 is an equidigital number, since it uses as much as digits as its factorization.

142450301538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879322863 (or 879322854 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 142450301538 its reverse (835103054241), we get a palindrome (977553355779).

The spelling of 142450301538 in words is "one hundred forty-two billion, four hundred fifty million, three hundred one thousand, five hundred thirty-eight".