145042215115 has 16 divisors (see below), whose sum is σ = 198921726720. Its totient is φ = 99454174560.

The previous prime is 145042215113. The next prime is 145042215139. The reversal of 145042215115 is 511512240541.

It is not a de Polignac number, because 145042215115 - 2¹ = 145042215113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145042215113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457500 + ... + 1553830.

It is an arithmetic number, because the mean of its divisors is an integer number (12432607920).

Almost surely, 2^145042215115 is an apocalyptic number.

145042215115 is a deficient number, since it is larger than the sum of its proper divisors (53879511605).

145042215115 is an equidigital number, since it uses as much as digits as its factorization.

145042215115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139362.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 145042215115 its reverse (511512240541), we get a palindrome (656554455656).

The spelling of 145042215115 in words is "one hundred forty-five billion, forty-two million, two hundred fifteen thousand, one hundred fifteen".