945669603 has 4 divisors (see below), whose sum is σ = 1260892808. Its totient is φ = 630446400.

The previous prime is 945669581. The next prime is 945669617. The reversal of 945669603 is 306966549.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 945669603 - 2¹² = 945665507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945665603) 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 in 3 ways as a sum of consecutive naturals, for example, 157611598 + ... + 157611603.

It is an arithmetic number, because the mean of its divisors is an integer number (315223202).

Almost surely, 2^945669603 is an apocalyptic number.

945669603 is a deficient number, since it is larger than the sum of its proper divisors (315223205).

945669603 is a wasteful number, since it uses less digits than its factorization.

945669603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315223204.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The square root of 945669603 is about 30751.7414628830. The cubic root of 945669603 is about 981.5516177850.

The spelling of 945669603 in words is "nine hundred forty-five million, six hundred sixty-nine thousand, six hundred three".