100081452 has 12 divisors (see below), whose sum is σ = 233523416. Its totient is φ = 33360480.

The previous prime is 100081447. The next prime is 100081453. The reversal of 100081452 is 254180001.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (100081453) 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 3 ways as a sum of consecutive naturals, for example, 4170049 + ... + 4170072.

Almost surely, 2^100081452 is an apocalyptic number.

100081452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100081452 is an abundant number, since it is smaller than the sum of its proper divisors (133441964).

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

100081452 is a wasteful number, since it uses less digits than its factorization.

100081452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340128 (or 8340126 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 100081452 is about 10004.0717710340. The cubic root of 100081452 is about 464.2848713921.

The spelling of 100081452 in words is "one hundred million, eighty-one thousand, four hundred fifty-two".