44521101 has 12 divisors (see below), whose sum is σ = 66046812. Its totient is φ = 28878336.

The previous prime is 44521097. The next prime is 44521109. The reversal of 44521101 is 10112544.

44521101 is a `hidden beast` number, since 44 + 521 + 101 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20520900 + 24000201 = 4530^2 + 4899^2 .

It is not a de Polignac number, because 44521101 - 2² = 44521097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44521109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66516 + ... + 67181.

It is an arithmetic number, because the mean of its divisors is an integer number (5503901).

Almost surely, 2^44521101 is an apocalyptic number.

It is an amenable number.

44521101 is a deficient number, since it is larger than the sum of its proper divisors (21525711).

44521101 is a wasteful number, since it uses less digits than its factorization.

44521101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133740 (or 133737 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 44521101 is about 6672.4134314354. The cubic root of 44521101 is about 354.4230554541.

Adding to 44521101 its reverse (10112544), we get a palindrome (54633645).

The spelling of 44521101 in words is "forty-four million, five hundred twenty-one thousand, one hundred one".