30445441 has 12 divisors (see below), whose sum is σ = 33893076. Its totient is φ = 27185760.

The previous prime is 30445421. The next prime is 30445451. The reversal of 30445441 is 14454403.

It can be written as a sum of positive squares in 2 ways, for example, as 17514225 + 12931216 = 4185^2 + 3596^2 .

It is not a de Polignac number, because 30445441 - 2⁹ = 30444929 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 (30445421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11275 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (2824423).

Almost surely, 2^30445441 is an apocalyptic number.

30445441 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30445441 is a deficient number, since it is larger than the sum of its proper divisors (3447635).

30445441 is a wasteful number, since it uses less digits than its factorization.

30445441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 30445441 is about 5517.7387578609. The cubic root of 30445441 is about 312.2535776811.

Adding to 30445441 its reverse (14454403), we get a palindrome (44899844).

The spelling of 30445441 in words is "thirty million, four hundred forty-five thousand, four hundred forty-one".