202145612564 has 48 divisors (see below), whose sum is σ = 410470908288. Its totient is φ = 85316295168.

The previous prime is 202145612563. The next prime is 202145612567. The reversal of 202145612564 is 465216541202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202145612563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588464 + ... + 866360.

It is an arithmetic number, because the mean of its divisors is an integer number (8551477256).

Almost surely, 2^202145612564 is an apocalyptic number.

It is an amenable number.

202145612564 is an abundant number, since it is smaller than the sum of its proper divisors (208325295724).

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

202145612564 is a wasteful number, since it uses less digits than its factorization.

202145612564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278304 (or 278302 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 202145612564 in words is "two hundred two billion, one hundred forty-five million, six hundred twelve thousand, five hundred sixty-four".