145222805041 has 4 divisors (see below), whose sum is σ = 145253108772. Its totient is φ = 145192501312.

The previous prime is 145222805033. The next prime is 145222805053. The reversal of 145222805041 is 140508222541.

145222805041 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 an emirpimes, since its reverse is a distinct semiprime: 140508222541 = 1867 ⋅75258823.

It can be written as a sum of positive squares in 2 ways, for example, as 77281776016 + 67941029025 = 277996^2 + 260655^2 .

It is a cyclic number.

It is not a de Polignac number, because 145222805041 - 2³ = 145222805033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145222804988 and 145222805006.

It is not an unprimeable number, because it can be changed into a prime (145222805011) 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, 15144676 + ... + 15154261.

It is an arithmetic number, because the mean of its divisors is an integer number (36313277193).

Almost surely, 2^145222805041 is an apocalyptic number.

It is an amenable number.

145222805041 is a deficient number, since it is larger than the sum of its proper divisors (30303731).

145222805041 is an equidigital number, since it uses as much as digits as its factorization.

145222805041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30303730.

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 145222805041 in words is "one hundred forty-five billion, two hundred twenty-two million, eight hundred five thousand, forty-one".