320145545010 has 32 divisors (see below), whose sum is σ = 768364833600. Its totient is φ = 85370420288.

The previous prime is 320145544931. The next prime is 320145545047. The reversal of 320145545010 is 10545541023.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 2239129 + ... + 2377811.

It is an arithmetic number, because the mean of its divisors is an integer number (24011401050).

Almost surely, 2^320145545010 is an apocalyptic number.

320145545010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320145545010 is an abundant number, since it is smaller than the sum of its proper divisors (448219288590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320145545010 is a wasteful number, since it uses less digits than its factorization.

320145545010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215642.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 320145545010 in words is "three hundred twenty billion, one hundred forty-five million, five hundred forty-five thousand, ten".