145620566604 has 18 divisors (see below), whose sum is σ = 368096432340. Its totient is φ = 48540188856.

The previous prime is 145620566573. The next prime is 145620566629. The reversal of 145620566604 is 406665026541.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 145620566604.

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 5 ways as a sum of consecutive naturals, for example, 2022507834 + ... + 2022507905.

Almost surely, 2^145620566604 is an apocalyptic number.

It is an amenable number.

145620566604 is an abundant number, since it is smaller than the sum of its proper divisors (222475865736).

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

145620566604 is a wasteful number, since it uses less digits than its factorization.

145620566604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045015749 (or 4045015744 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 145620566604 in words is "one hundred forty-five billion, six hundred twenty million, five hundred sixty-six thousand, six hundred four".