145021406504 has 32 divisors (see below), whose sum is σ = 292958883840. Its totient is φ = 66903883200.

The previous prime is 145021406503. The next prime is 145021406513. The reversal of 145021406504 is 405604120541.

It is not an unprimeable number, because it can be changed into a prime (145021406503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61352 + ... + 542039.

It is an arithmetic number, because the mean of its divisors is an integer number (9154965120).

Almost surely, 2^145021406504 is an apocalyptic number.

It is an amenable number.

145021406504 is an abundant number, since it is smaller than the sum of its proper divisors (147937477336).

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

145021406504 is a wasteful number, since it uses less digits than its factorization.

145021406504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605721 (or 605717 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 145021406504 in words is "one hundred forty-five billion, twenty-one million, four hundred six thousand, five hundred four".