10381445 has 4 divisors (see below), whose sum is σ = 12457740. Its totient is φ = 8305152.

The previous prime is 10381421. The next prime is 10381451. The reversal of 10381445 is 54418301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54418301 = 7 ⋅7774043.

It can be written as a sum of positive squares in 2 ways, for example, as 3247204 + 7134241 = 1802^2 + 2671^2 .

It is a cyclic number.

It is not a de Polignac number, because 10381445 - 2¹² = 10377349 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1038140 + ... + 1038149.

It is an arithmetic number, because the mean of its divisors is an integer number (3114435).

Almost surely, 2^10381445 is an apocalyptic number.

It is an amenable number.

10381445 is a deficient number, since it is larger than the sum of its proper divisors (2076295).

10381445 is an equidigital number, since it uses as much as digits as its factorization.

10381445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076294.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 10381445 is about 3222.0249843848. The cubic root of 10381445 is about 218.1486865463.

Adding to 10381445 its reverse (54418301), we get a palindrome (64799746).

The spelling of 10381445 in words is "ten million, three hundred eighty-one thousand, four hundred forty-five".