945903 has 16 divisors (see below), whose sum is σ = 1488896. Its totient is φ = 522720.

The previous prime is 945899. The next prime is 945907. The reversal of 945903 is 309549.

It is an interprime number because it is at equal distance from previous prime (945899) and next prime (945907).

It is not a de Polignac number, because 945903 - 2² = 945899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945903.

It is not an unprimeable number, because it can be changed into a prime (945907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (93056).

2⁹⁴⁵⁹⁰³ is an apocalyptic number.

945903 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

945903 is a deficient number, since it is larger than the sum of its proper divisors (542993).

945903 is a wasteful number, since it uses less digits than its factorization.

945903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 945903 is about 972.5754469449. The cubic root of 945903 is about 98.1632362109.

The spelling of 945903 in words is "nine hundred forty-five thousand, nine hundred three".