202606406145 has 48 divisors (see below), whose sum is σ = 412580331072. Its totient is φ = 90676990080.

The previous prime is 202606406099. The next prime is 202606406179. The reversal of 202606406145 is 541604606202.

202606406145 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 0 + 640 + 6 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 202606406145 - 2⁷ = 202606406017 is a prime.

It is a super-2 number, since 2×202606406145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15736099 + ... + 15748968.

It is an arithmetic number, because the mean of its divisors is an integer number (8595423564).

Almost surely, 2^202606406145 is an apocalyptic number.

It is an amenable number.

202606406145 is an abundant number, since it is smaller than the sum of its proper divisors (209973924927).

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

202606406145 is a wasteful number, since it uses less digits than its factorization.

202606406145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31485102 (or 31485099 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 202606406145 in words is "two hundred two billion, six hundred six million, four hundred six thousand, one hundred forty-five".