100133445 has 8 divisors (see below), whose sum is σ = 160213536. Its totient is φ = 53404496.

The previous prime is 100133431. The next prime is 100133459. The reversal of 100133445 is 544331001.

It is an interprime number because it is at equal distance from previous prime (100133431) and next prime (100133459).

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 100133445 - 2⁵ = 100133413 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 3337767 + ... + 3337796.

It is an arithmetic number, because the mean of its divisors is an integer number (20026692).

Almost surely, 2^100133445 is an apocalyptic number.

100133445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100133445 is a deficient number, since it is larger than the sum of its proper divisors (60080091).

100133445 is an equidigital number, since it uses as much as digits as its factorization.

100133445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675571.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 100133445 is about 10006.6700255380. The cubic root of 100133445 is about 464.3652571973.

Adding to 100133445 its reverse (544331001), we get a palindrome (644464446).

The spelling of 100133445 in words is "one hundred million, one hundred thirty-three thousand, four hundred forty-five".