44152813 has 2 divisors, whose sum is σ = 44152814. Its totient is φ = 44152812.

The previous prime is 44152781. The next prime is 44152861. The reversal of 44152813 is 31825144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23011209 + 21141604 = 4797^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 44152813 - 2⁵ = 44152781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44152883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22076406 + 22076407.

It is an arithmetic number, because the mean of its divisors is an integer number (22076407).

Almost surely, 2^44152813 is an apocalyptic number.

It is an amenable number.

44152813 is a deficient number, since it is larger than the sum of its proper divisors (1).

44152813 is an equidigital number, since it uses as much as digits as its factorization.

44152813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 44152813 is about 6644.7583101269. The cubic root of 44152813 is about 353.4430606362.

Adding to 44152813 its reverse (31825144), we get a palindrome (75977957).

The spelling of 44152813 in words is "forty-four million, one hundred fifty-two thousand, eight hundred thirteen".