145852205612 has 48 divisors (see below), whose sum is σ = 267579873792. Its totient is φ = 69430838400.

The previous prime is 145852205563. The next prime is 145852205621. The reversal of 145852205612 is 216502258541.

It is a self number, because there is not a number n which added to its sum of digits gives 145852205612.

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, 43575323 + ... + 43578669.

It is an arithmetic number, because the mean of its divisors is an integer number (5574580704).

Almost surely, 2^145852205612 is an apocalyptic number.

It is an amenable number.

145852205612 is a deficient number, since it is larger than the sum of its proper divisors (121727668180).

145852205612 is a wasteful number, since it uses less digits than its factorization.

145852205612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 145852205612 in words is "one hundred forty-five billion, eight hundred fifty-two million, two hundred five thousand, six hundred twelve".