44542261 has 8 divisors (see below), whose sum is σ = 47936664. Its totient is φ = 41233920.

The previous prime is 44542249. The next prime is 44542271. The reversal of 44542261 is 16224544.

It can be written as a sum of positive squares in 4 ways, for example, as 53361 + 44488900 = 231^2 + 6670^2 .

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 44542261 - 2¹³ = 44534069 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 (44542271) 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, 20440 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (5992083).

Almost surely, 2^44542261 is an apocalyptic number.

It is an amenable number.

44542261 is a deficient number, since it is larger than the sum of its proper divisors (3394403).

44542261 is a wasteful number, since it uses less digits than its factorization.

44542261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43031.

The product of its digits is 7680, while the sum is 28.

The square root of 44542261 is about 6673.9988762360. The cubic root of 44542261 is about 354.4791966535.

The spelling of 44542261 in words is "forty-four million, five hundred forty-two thousand, two hundred sixty-one".