145212311105504 has 24 divisors (see below), whose sum is σ = 285887132643168. Its totient is φ = 72606055196160.

The previous prime is 145212311105479. The next prime is 145212311105527. The reversal of 145212311105504 is 405501113212541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23985464 + ... + 29423240.

It is an arithmetic number, because the mean of its divisors is an integer number (11911963860132).

Almost surely, 2^{145212311105504} is an apocalyptic number.

It is an amenable number.

145212311105504 is a deficient number, since it is larger than the sum of its proper divisors (140674821537664).

145212311105504 is an equidigital number, since it uses as much as digits as its factorization.

145212311105504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272298 (or 6272290 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 145212311105504 in words is "one hundred forty-five trillion, two hundred twelve billion, three hundred eleven million, one hundred five thousand, five hundred four".