142450642505 has 16 divisors (see below), whose sum is σ = 175643203584. Its totient is φ = 110828450880.

The previous prime is 142450642493. The next prime is 142450642573. The reversal of 142450642505 is 505246054241.

It is not a de Polignac number, because 142450642505 - 2⁴ = 142450642489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216800 + ... + 576110.

It is an arithmetic number, because the mean of its divisors is an integer number (10977700224).

Almost surely, 2^142450642505 is an apocalyptic number.

It is an amenable number.

142450642505 is a deficient number, since it is larger than the sum of its proper divisors (33192561079).

142450642505 is a wasteful number, since it uses less digits than its factorization.

142450642505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361496.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 142450642505 its reverse (505246054241), we get a palindrome (647696696746).

The spelling of 142450642505 in words is "one hundred forty-two billion, four hundred fifty million, six hundred forty-two thousand, five hundred five".