101100445 has 8 divisors (see below), whose sum is σ = 128457144. Its totient is φ = 76122624.

The previous prime is 101100437. The next prime is 101100449. The reversal of 101100445 is 544001101.

It can be written as a sum of positive squares in 4 ways, for example, as 38278969 + 62821476 = 6187^2 + 7926^2 .

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 101100445 - 2³ = 101100437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100449) 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, 594624 + ... + 594793.

It is an arithmetic number, because the mean of its divisors is an integer number (16057143).

Almost surely, 2^101100445 is an apocalyptic number.

It is an amenable number.

101100445 is a deficient number, since it is larger than the sum of its proper divisors (27356699).

101100445 is a wasteful number, since it uses less digits than its factorization.

101100445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189439.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 101100445 is about 10054.8717048006. The cubic root of 101100445 is about 465.8552802649.

Adding to 101100445 its reverse (544001101), we get a palindrome (645101546).

The spelling of 101100445 in words is "one hundred one million, one hundred thousand, four hundred forty-five".