145314206161 has 8 divisors (see below), whose sum is σ = 147713623848. Its totient is φ = 142915344000.

The previous prime is 145314206153. The next prime is 145314206179. The reversal of 145314206161 is 161602413541.

145314206161 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 4 ways, for example, as 3053225536 + 142260980625 = 55256^2 + 377175^2 .

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 145314206161 - 2³ = 145314206153 is a prime.

It is a super-2 number, since 2×145314206161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145314206861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 406101 + ... + 674941.

It is an arithmetic number, because the mean of its divisors is an integer number (18464202981).

Almost surely, 2^145314206161 is an apocalyptic number.

It is an amenable number.

145314206161 is a deficient number, since it is larger than the sum of its proper divisors (2399417687).

145314206161 is an equidigital number, since it uses as much as digits as its factorization.

145314206161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277763.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 145314206161 in words is "one hundred forty-five billion, three hundred fourteen million, two hundred six thousand, one hundred sixty-one".