945004451 has 2 divisors, whose sum is σ = 945004452. Its totient is φ = 945004450.

The previous prime is 945004441. The next prime is 945004471. The reversal of 945004451 is 154400549.

It is a weak prime.

It is an emirp because it is prime and its reverse (154400549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 945004451 - 2¹⁰ = 945003427 is a prime.

It is a super-2 number, since 2×945004451² = 1786066824819622802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (945004441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472502225 + 472502226.

It is an arithmetic number, because the mean of its divisors is an integer number (472502226).

Almost surely, 2^945004451 is an apocalyptic number.

945004451 is a deficient number, since it is larger than the sum of its proper divisors (1).

945004451 is an equidigital number, since it uses as much as digits as its factorization.

945004451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 945004451 is about 30740.9246933140. The cubic root of 945004451 is about 981.3214337437.

The spelling of 945004451 in words is "nine hundred forty-five million, four thousand, four hundred fifty-one".