145667221213052 has 96 divisors (see below), whose sum is σ = 336533119372800. Its totient is φ = 53412092190720.

The previous prime is 145667221213039. The next prime is 145667221213169. The reversal of 145667221213052 is 250312122766541.

It is a junction number, because it is equal to n+sod(n) for n = 145667221212988 and 145667221213006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95813324 + ... + 97321772.

It is an arithmetic number, because the mean of its divisors is an integer number (3505553326800).

Almost surely, 2^{145667221213052} is an apocalyptic number.

It is an amenable number.

145667221213052 is an abundant number, since it is smaller than the sum of its proper divisors (190865898159748).

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

145667221213052 is a wasteful number, since it uses less digits than its factorization.

145667221213052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526931 (or 1526929 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

Adding to 145667221213052 its reverse (250312122766541), we get a palindrome (395979343979593).

The spelling of 145667221213052 in words is "one hundred forty-five trillion, six hundred sixty-seven billion, two hundred twenty-one million, two hundred thirteen thousand, fifty-two".