100444061 has 4 divisors (see below), whose sum is σ = 103684224. Its totient is φ = 97203900.

The previous prime is 100444049. The next prime is 100444067. The reversal of 100444061 is 160444001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100444061 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 (100444067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620035 + ... + 1620096.

It is an arithmetic number, because the mean of its divisors is an integer number (25921056).

Almost surely, 2^100444061 is an apocalyptic number.

It is an amenable number.

100444061 is a deficient number, since it is larger than the sum of its proper divisors (3240163).

100444061 is an equidigital number, since it uses as much as digits as its factorization.

100444061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240162.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 100444061 is about 10022.1784558049. The cubic root of 100444061 is about 464.8449184161.

Adding to 100444061 its reverse (160444001), we get a palindrome (260888062).

The spelling of 100444061 in words is "one hundred million, four hundred forty-four thousand, sixty-one".