142400163505 has 16 divisors (see below), whose sum is σ = 171990935424. Its totient is φ = 113180146560.

The previous prime is 142400163481. The next prime is 142400163523. The reversal of 142400163505 is 505361004241.

It is a happy number.

It is not a de Polignac number, because 142400163505 - 2¹¹ = 142400161457 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, 2322645 + ... + 2383165.

It is an arithmetic number, because the mean of its divisors is an integer number (10749433464).

Almost surely, 2^142400163505 is an apocalyptic number.

It is an amenable number.

142400163505 is a deficient number, since it is larger than the sum of its proper divisors (29590771919).

142400163505 is a wasteful number, since it uses less digits than its factorization.

142400163505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63576.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 142400163505 its reverse (505361004241), we get a palindrome (647761167746).

The spelling of 142400163505 in words is "one hundred forty-two billion, four hundred million, one hundred sixty-three thousand, five hundred five".