100445329 has 2 divisors, whose sum is σ = 100445330. Its totient is φ = 100445328.

The previous prime is 100445321. The next prime is 100445339. The reversal of 100445329 is 923544001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93412225 + 7033104 = 9665^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 100445329 - 2³ = 100445321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100445297 and 100445306.

It is not a weakly prime, because it can be changed into another prime (100445321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222664 + 50222665.

It is an arithmetic number, because the mean of its divisors is an integer number (50222665).

Almost surely, 2^100445329 is an apocalyptic number.

It is an amenable number.

100445329 is a deficient number, since it is larger than the sum of its proper divisors (1).

100445329 is an equidigital number, since it uses as much as digits as its factorization.

100445329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 100445329 is about 10022.2417153050. The cubic root of 100445329 is about 464.8468744663.

The spelling of 100445329 in words is "one hundred million, four hundred forty-five thousand, three hundred twenty-nine".