33450444145 has 16 divisors (see below), whose sum is σ = 42622180560. Its totient is φ = 25114845184.

The previous prime is 33450444133. The next prime is 33450444149. The reversal of 33450444145 is 54144405433.

It can be written as a sum of positive squares in 8 ways, for example, as 18515809 + 33431928336 = 4303^2 + 182844^2 .

It is a cyclic number.

It is not a de Polignac number, because 33450444145 - 2¹¹ = 33450442097 is a prime.

It is a super-2 number, since 2×33450444145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33450444149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527410 + ... + 587419.

It is an arithmetic number, because the mean of its divisors is an integer number (2663886285).

Almost surely, 2^33450444145 is an apocalyptic number.

It is an amenable number.

33450444145 is a deficient number, since it is larger than the sum of its proper divisors (9171736415).

33450444145 is a wasteful number, since it uses less digits than its factorization.

33450444145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115204.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 33450444145 its reverse (54144405433), we get a palindrome (87594849578).

The spelling of 33450444145 in words is "thirty-three billion, four hundred fifty million, four hundred forty-four thousand, one hundred forty-five".