145123116 has 24 divisors (see below), whose sum is σ = 345011184. Its totient is φ = 47461440.

The previous prime is 145123081. The next prime is 145123247. The reversal of 145123116 is 611321541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113455 + ... + 114726.

It is an arithmetic number, because the mean of its divisors is an integer number (14375466).

Almost surely, 2^145123116 is an apocalyptic number.

It is an amenable number.

145123116 is an abundant number, since it is smaller than the sum of its proper divisors (199888068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145123116 is a wasteful number, since it uses less digits than its factorization.

145123116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228241 (or 228239 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 145123116 is about 12046.7056077585. The cubic root of 145123116 is about 525.5074350079.

Adding to 145123116 its reverse (611321541), we get a palindrome (756444657).

The spelling of 145123116 in words is "one hundred forty-five million, one hundred twenty-three thousand, one hundred sixteen".