42154230115 has 32 divisors (see below), whose sum is σ = 54699727680. Its totient is φ = 31071744000.

The previous prime is 42154230109. The next prime is 42154230127. The reversal of 42154230115 is 51103245124.

It is a de Polignac number, because none of the positive numbers 2^k-42154230115 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736480 + ... + 791650.

It is an arithmetic number, because the mean of its divisors is an integer number (1709366490).

Almost surely, 2^42154230115 is an apocalyptic number.

42154230115 is a deficient number, since it is larger than the sum of its proper divisors (12545497565).

42154230115 is a wasteful number, since it uses less digits than its factorization.

42154230115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55383.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 42154230115 its reverse (51103245124), we get a palindrome (93257475239).

The spelling of 42154230115 in words is "forty-two billion, one hundred fifty-four million, two hundred thirty thousand, one hundred fifteen".