244042045 has 16 divisors (see below), whose sum is σ = 323073072. Its totient is φ = 175818240.

The previous prime is 244042039. The next prime is 244042049. The reversal of 244042045 is 540240442.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 28451556 + 215590489 = 5334^2 + 14683^2 .

It is not a de Polignac number, because 244042045 - 2⁹ = 244041533 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 (244042049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43122 + ... + 48451.

It is an arithmetic number, because the mean of its divisors is an integer number (20192067).

Almost surely, 2^244042045 is an apocalyptic number.

It is an amenable number.

244042045 is a deficient number, since it is larger than the sum of its proper divisors (79031027).

244042045 is a wasteful number, since it uses less digits than its factorization.

244042045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91632.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 244042045 is about 15621.8451214957. The cubic root of 244042045 is about 624.9158670751.

Adding to 244042045 its reverse (540240442), we get a palindrome (784282487).

The spelling of 244042045 in words is "two hundred forty-four million, forty-two thousand, forty-five".