1545433345 has 8 divisors (see below), whose sum is σ = 1918469160. Its totient is φ = 1193713920.

The previous prime is 1545433339. The next prime is 1545433349. The reversal of 1545433345 is 5433345451.

It is a Cunningham number, because it is equal to 39312²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 1545433344 = 1^2 + 39312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1545433345 - 2¹³ = 1545425153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1545433349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5328936 + ... + 5329225.

It is an arithmetic number, because the mean of its divisors is an integer number (239808645).

Almost surely, 2^1545433345 is an apocalyptic number.

It is an amenable number.

1545433345 is a deficient number, since it is larger than the sum of its proper divisors (373035815).

1545433345 is a wasteful number, since it uses less digits than its factorization.

1545433345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658195.

The product of its digits is 216000, while the sum is 37.

The square root of 1545433345 is about 39312.0000127188. Note that the first 4 decimals coincide. The cubic root of 1545433345 is about 1156.1568576736.

Adding to 1545433345 its reverse (5433345451), we get a palindrome (6978778796).

The spelling of 1545433345 in words is "one billion, five hundred forty-five million, four hundred thirty-three thousand, three hundred forty-five".