145215444524 has 12 divisors (see below), whose sum is σ = 269075676744. Its totient is φ = 68336679744.

The previous prime is 145215444481. The next prime is 145215444529. The reversal of 145215444524 is 425444512541.

145215444524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145215444529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067760554 + ... + 1067760689.

It is an arithmetic number, because the mean of its divisors is an integer number (22422973062).

Almost surely, 2^145215444524 is an apocalyptic number.

It is an amenable number.

145215444524 is a deficient number, since it is larger than the sum of its proper divisors (123860232220).

145215444524 is a wasteful number, since it uses less digits than its factorization.

145215444524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135521264 (or 2135521262 counting only the distinct ones).

The product of its digits is 512000, while the sum is 41.

The spelling of 145215444524 in words is "one hundred forty-five billion, two hundred fifteen million, four hundred forty-four thousand, five hundred twenty-four".