145252231112116 has 24 divisors (see below), whose sum is σ = 269144594341056. Its totient is φ = 68353799533440.

The previous prime is 145252231111993. The next prime is 145252231112161. The reversal of 145252231112116 is 611211132252541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23108311 + ... + 28714081.

It is an arithmetic number, because the mean of its divisors is an integer number (11214358097544).

Almost surely, 2^{145252231112116} is an apocalyptic number.

It is an amenable number.

145252231112116 is a deficient number, since it is larger than the sum of its proper divisors (123892363228940).

145252231112116 is a wasteful number, since it uses less digits than its factorization.

145252231112116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986839 (or 5986837 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

Adding to 145252231112116 its reverse (611211132252541), we get a palindrome (756463363364657).

The spelling of 145252231112116 in words is "one hundred forty-five trillion, two hundred fifty-two billion, two hundred thirty-one million, one hundred twelve thousand, one hundred sixteen".