40445303 has 2 divisors, whose sum is σ = 40445304. Its totient is φ = 40445302.

The previous prime is 40445269. The next prime is 40445369. The reversal of 40445303 is 30354404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40445303 - 2¹⁴ = 40428919 is a prime.

It is equal to p_2459120 and since 40445303 and 2459120 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40445203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222651 + 20222652.

It is an arithmetic number, because the mean of its divisors is an integer number (20222652).

Almost surely, 2^40445303 is an apocalyptic number.

40445303 is a deficient number, since it is larger than the sum of its proper divisors (1).

40445303 is an equidigital number, since it uses as much as digits as its factorization.

40445303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40445303 is about 6359.6621765625. The cubic root of 40445303 is about 343.2596045116.

Adding to 40445303 its reverse (30354404), we get a palindrome (70799707).

The spelling of 40445303 in words is "forty million, four hundred forty-five thousand, three hundred three".