100457161 has 8 divisors (see below), whose sum is σ = 120850880. Its totient is φ = 81574128.

The previous prime is 100457153. The next prime is 100457171. The reversal of 100457161 is 161754001.

It is a happy number.

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 100457161 - 2³ = 100457153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100457171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 377526 + ... + 377791.

It is an arithmetic number, because the mean of its divisors is an integer number (15106360).

Almost surely, 2^100457161 is an apocalyptic number.

It is an amenable number.

100457161 is a deficient number, since it is larger than the sum of its proper divisors (20393719).

100457161 is an equidigital number, since it uses as much as digits as its factorization.

100457161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755343.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 100457161 is about 10022.8319850230. The cubic root of 100457161 is about 464.8651260277.

The spelling of 100457161 in words is "one hundred million, four hundred fifty-seven thousand, one hundred sixty-one".