145552666232322 has 16 divisors (see below), whose sum is σ = 323450369405280. Its totient is φ = 48517555410756.

The previous prime is 145552666232297. The next prime is 145552666232359. The reversal of 145552666232322 is 223232666255541.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2695419745043 = 145552666232322 / (1 + 4 + 5 + 5 + 5 + 2 + 6 + 6 + 6 + 2 + 3 + 2 + 3 + 2 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347709872468 + ... + 1347709872575.

It is an arithmetic number, because the mean of its divisors is an integer number (20215648087830).

Almost surely, 2^{145552666232322} is an apocalyptic number.

145552666232322 is an abundant number, since it is smaller than the sum of its proper divisors (177897703172958).

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

145552666232322 is a wasteful number, since it uses less digits than its factorization.

145552666232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695419745054 (or 2695419745048 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 54.

The spelling of 145552666232322 in words is "one hundred forty-five trillion, five hundred fifty-two billion, six hundred sixty-six million, two hundred thirty-two thousand, three hundred twenty-two".