202354145161 has 8 divisors (see below), whose sum is σ = 233027239104. Its totient is φ = 172122390960.

The previous prime is 202354145141. The next prime is 202354145177. The reversal of 202354145161 is 161541453202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202354145161 - 2⁵ = 202354145129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202354145101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110333950 + ... + 110335783.

It is an arithmetic number, because the mean of its divisors is an integer number (29128404888).

Almost surely, 2^202354145161 is an apocalyptic number.

It is an amenable number.

202354145161 is a deficient number, since it is larger than the sum of its proper divisors (30673093943).

202354145161 is a wasteful number, since it uses less digits than its factorization.

202354145161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220669871.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 202354145161 its reverse (161541453202), we get a palindrome (363895598363).

The spelling of 202354145161 in words is "two hundred two billion, three hundred fifty-four million, one hundred forty-five thousand, one hundred sixty-one".