145520445104 has 20 divisors (see below), whose sum is σ = 282036297480. Its totient is φ = 72736884480.

The previous prime is 145520445097. The next prime is 145520445113. The reversal of 145520445104 is 401544025541.

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 3 ways as a sum of consecutive naturals, for example, 1407134 + ... + 1507005.

It is an arithmetic number, because the mean of its divisors is an integer number (14101814874).

Almost surely, 2^145520445104 is an apocalyptic number.

It is an amenable number.

145520445104 is a deficient number, since it is larger than the sum of its proper divisors (136515852376).

145520445104 is a wasteful number, since it uses less digits than its factorization.

145520445104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917268 (or 2917262 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 145520445104 in words is "one hundred forty-five billion, five hundred twenty million, four hundred forty-five thousand, one hundred four".