145532564502161 has 8 divisors (see below), whose sum is σ = 148315356529920. Its totient is φ = 142751138940592.

The previous prime is 145532564502151. The next prime is 145532564502167. The reversal of 145532564502161 is 161205465235541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145532564502161 - 2⁴⁶ = 75163820324497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145532564502167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341401505 + ... + 341827518.

It is an arithmetic number, because the mean of its divisors is an integer number (18539419566240).

Almost surely, 2^{145532564502161} is an apocalyptic number.

It is an amenable number.

145532564502161 is a deficient number, since it is larger than the sum of its proper divisors (2782792027759).

145532564502161 is an equidigital number, since it uses as much as digits as its factorization.

145532564502161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683233095.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 145532564502161 in words is "one hundred forty-five trillion, five hundred thirty-two billion, five hundred sixty-four million, five hundred two thousand, one hundred sixty-one".