32020455145 has 32 divisors (see below), whose sum is σ = 46976364288. Its totient is φ = 20452220928.

The previous prime is 32020455101. The next prime is 32020455149. The reversal of 32020455145 is 54155402023.

It is a cyclic number.

It is not a de Polignac number, because 32020455145 - 2⁷ = 32020455017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32020455149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219687 + ... + 335116.

It is an arithmetic number, because the mean of its divisors is an integer number (1468011384).

Almost surely, 2^32020455145 is an apocalyptic number.

32020455145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32020455145 is a deficient number, since it is larger than the sum of its proper divisors (14955909143).

32020455145 is a wasteful number, since it uses less digits than its factorization.

32020455145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554929.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 32020455145 its reverse (54155402023), we get a palindrome (86175857168).

The spelling of 32020455145 in words is "thirty-two billion, twenty million, four hundred fifty-five thousand, one hundred forty-five".