22145320153 has 4 divisors (see below), whose sum is σ = 24158531088. Its totient is φ = 20132109220.

The previous prime is 22145320139. The next prime is 22145320213. The reversal of 22145320153 is 35102354122.

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 22145320153 - 2⁵ = 22145320121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145320103) 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, 1006605451 + ... + 1006605472.

It is an arithmetic number, because the mean of its divisors is an integer number (6039632772).

Almost surely, 2^22145320153 is an apocalyptic number.

It is an amenable number.

22145320153 is a deficient number, since it is larger than the sum of its proper divisors (2013210935).

22145320153 is a wasteful number, since it uses less digits than its factorization.

22145320153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013210934.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22145320153 its reverse (35102354122), we get a palindrome (57247674275).

The spelling of 22145320153 in words is "twenty-two billion, one hundred forty-five million, three hundred twenty thousand, one hundred fifty-three".