145122 has 24 divisors (see below), whose sum is σ = 310896. Its totient is φ = 45144.

The previous prime is 145121. The next prime is 145133. The reversal of 145122 is 221541.

145122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145122.

It is not an unprimeable number, because it can be changed into a prime (145121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2133 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (12954).

2¹⁴⁵¹²² is an apocalyptic number.

145122 is an abundant number, since it is smaller than the sum of its proper divisors (165774).

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

145122 is a wasteful number, since it uses less digits than its factorization.

145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 91 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 145122 is about 380.9488154595. The cubic root of 145122 is about 52.5506087950.

Adding to 145122 its reverse (221541), we get a palindrome (366663).

The spelling of 145122 in words is "one hundred forty-five thousand, one hundred twenty-two".