100289445 has 8 divisors (see below), whose sum is σ = 160463136. Its totient is φ = 53487696.

The previous prime is 100289437. The next prime is 100289447. The reversal of 100289445 is 544982001.

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

It is not a de Polignac number, because 100289445 - 2³ = 100289437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100289447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342967 + ... + 3342996.

It is an arithmetic number, because the mean of its divisors is an integer number (20057892).

Almost surely, 2^100289445 is an apocalyptic number.

100289445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100289445 is a deficient number, since it is larger than the sum of its proper divisors (60173691).

100289445 is an equidigital number, since it uses as much as digits as its factorization.

100289445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685971.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 100289445 is about 10014.4617928274. The cubic root of 100289445 is about 464.6062802092.

The spelling of 100289445 in words is "one hundred million, two hundred eighty-nine thousand, four hundred forty-five".