145322351223122 has 32 divisors (see below), whose sum is σ = 225930728962800. Its totient is φ = 70021691308800.

The previous prime is 145322351223107. The next prime is 145322351223187. The reversal of 145322351223122 is 221322153223541.

145322351223122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 20110928599441 + 125211422623681 = 4484521^2 + 11189791^2 .

It is a super-2 number, since 2×145322351223122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551524904 + ... + 551788332.

Almost surely, 2^{145322351223122} is an apocalyptic number.

145322351223122 is a deficient number, since it is larger than the sum of its proper divisors (80608377739678).

145322351223122 is a wasteful number, since it uses less digits than its factorization.

145322351223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281582.

The product of its digits is 172800, while the sum is 38.

The spelling of 145322351223122 in words is "one hundred forty-five trillion, three hundred twenty-two billion, three hundred fifty-one million, two hundred twenty-three thousand, one hundred twenty-two".