22453132545 has 24 divisors (see below), whose sum is σ = 38926571112. Its totient is φ = 11972601600.

The previous prime is 22453132511. The next prime is 22453132567. The reversal of 22453132545 is 54523135422.

22453132545 is a `hidden beast` number, since 22 + 453 + 132 + 54 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6385288464 + 16067844081 = 79908^2 + 126759^2 .

It is not a de Polignac number, because 22453132545 - 2¹⁰ = 22453131521 is a prime.

It is a super-2 number, since 2×22453132545² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189325 + ... + 284165.

It is an arithmetic number, because the mean of its divisors is an integer number (1621940463).

Almost surely, 2^22453132545 is an apocalyptic number.

It is an amenable number.

22453132545 is a deficient number, since it is larger than the sum of its proper divisors (16473438567).

22453132545 is a wasteful number, since it uses less digits than its factorization.

22453132545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100113 (or 100110 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 22453132545 its reverse (54523135422), we get a palindrome (76976267967).

The spelling of 22453132545 in words is "twenty-two billion, four hundred fifty-three million, one hundred thirty-two thousand, five hundred forty-five".