145411026161 has 4 divisors (see below), whose sum is σ = 145665687024. Its totient is φ = 145156365300.

The previous prime is 145411026127. The next prime is 145411026217. The reversal of 145411026161 is 161620114541.

145411026161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161620114541 = 21019 ⋅7689239.

It is a de Polignac number, because none of the positive numbers 2^k-145411026161 is a prime.

It is a super-2 number, since 2×145411026161² (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 (145411026961) 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 3 ways as a sum of consecutive naturals, for example, 127329575 + ... + 127330716.

It is an arithmetic number, because the mean of its divisors is an integer number (36416421756).

Almost surely, 2^145411026161 is an apocalyptic number.

It is an amenable number.

145411026161 is a deficient number, since it is larger than the sum of its proper divisors (254660863).

145411026161 is an equidigital number, since it uses as much as digits as its factorization.

145411026161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254660862.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 145411026161 in words is "one hundred forty-five billion, four hundred eleven million, twenty-six thousand, one hundred sixty-one".