22145154413513 has 4 divisors (see below), whose sum is σ = 22475679106320. Its totient is φ = 21814629720708.

The previous prime is 22145154413491. The next prime is 22145154413527. The reversal of 22145154413513 is 31531445154122.

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 22145154413513 - 2¹⁴ = 22145154397129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145154416513) 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, 165262346303 + ... + 165262346436.

It is an arithmetic number, because the mean of its divisors is an integer number (5618919776580).

Almost surely, 2^{22145154413513} is an apocalyptic number.

It is an amenable number.

22145154413513 is a deficient number, since it is larger than the sum of its proper divisors (330524692807).

22145154413513 is an equidigital number, since it uses as much as digits as its factorization.

22145154413513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330524692806.

The product of its digits is 288000, while the sum is 41.

Adding to 22145154413513 its reverse (31531445154122), we get a palindrome (53676599567635).

The spelling of 22145154413513 in words is "twenty-two trillion, one hundred forty-five billion, one hundred fifty-four million, four hundred thirteen thousand, five hundred thirteen".