145532520544 has 24 divisors (see below), whose sum is σ = 286619617368. Its totient is φ = 72740236800.

The previous prime is 145532520481. The next prime is 145532520557. The reversal of 145532520544 is 445025235541.

It is a junction number, because it is equal to n+sod(n) for n = 145532520497 and 145532520506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722202 + ... + 901465.

It is an arithmetic number, because the mean of its divisors is an integer number (11942484057).

Almost surely, 2^145532520544 is an apocalyptic number.

It is an amenable number.

145532520544 is a deficient number, since it is larger than the sum of its proper divisors (141087096824).

145532520544 is a wasteful number, since it uses less digits than its factorization.

145532520544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626478 (or 1626470 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 145532520544 in words is "one hundred forty-five billion, five hundred thirty-two million, five hundred twenty thousand, five hundred forty-four".