32545215145 has 8 divisors (see below), whose sum is σ = 39589248456. Its totient is φ = 25679511936.

The previous prime is 32545215107. The next prime is 32545215161. The reversal of 32545215145 is 54151254523.

It can be written as a sum of positive squares in 4 ways, for example, as 2899607104 + 29645608041 = 53848^2 + 172179^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32545215145 - 2⁹ = 32545214633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44582122 + ... + 44582851.

It is an arithmetic number, because the mean of its divisors is an integer number (4948656057).

Almost surely, 2^32545215145 is an apocalyptic number.

It is an amenable number.

32545215145 is a deficient number, since it is larger than the sum of its proper divisors (7044033311).

32545215145 is an equidigital number, since it uses as much as digits as its factorization.

32545215145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89165051.

The product of its digits is 120000, while the sum is 37.

Adding to 32545215145 its reverse (54151254523), we get a palindrome (86696469668).

The spelling of 32545215145 in words is "thirty-two billion, five hundred forty-five million, two hundred fifteen thousand, one hundred forty-five".