145422240205 has 8 divisors (see below), whose sum is σ = 190370932704. Its totient is φ = 105761629200.

The previous prime is 145422240169. The next prime is 145422240233. The reversal of 145422240205 is 502042224541.

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

It is not a de Polignac number, because 145422240205 - 2¹⁹ = 145421715917 is a prime.

It is a super-2 number, since 2×145422240205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1322020311 + ... + 1322020420.

It is an arithmetic number, because the mean of its divisors is an integer number (23796366588).

Almost surely, 2^145422240205 is an apocalyptic number.

It is an amenable number.

145422240205 is a deficient number, since it is larger than the sum of its proper divisors (44948692499).

145422240205 is a wasteful number, since it uses less digits than its factorization.

145422240205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644040747.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 145422240205 its reverse (502042224541), we get a palindrome (647464464746).

The spelling of 145422240205 in words is "one hundred forty-five billion, four hundred twenty-two million, two hundred forty thousand, two hundred five".