145223322541 has 4 divisors (see below), whose sum is σ = 158425442784. Its totient is φ = 132021202300.

The previous prime is 145223322521. The next prime is 145223322547.

145223322541 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 145223322541 - 2⁵ = 145223322509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145223322497 and 145223322506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145223322547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6601060105 + ... + 6601060126.

It is an arithmetic number, because the mean of its divisors is an integer number (39606360696).

Almost surely, 2^145223322541 is an apocalyptic number.

145223322541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145223322541 is a deficient number, since it is larger than the sum of its proper divisors (13202120243).

145223322541 is a wasteful number, since it uses less digits than its factorization.

145223322541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202120242.

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 145223 and 322541, that added together give a palindrome (467764).

The spelling of 145223322541 in words is "one hundred forty-five billion, two hundred twenty-three million, three hundred twenty-two thousand, five hundred forty-one".