83445003 has 6 divisors (see below), whose sum is σ = 120531684. Its totient is φ = 55629996.

The previous prime is 83444981. The next prime is 83445007. The reversal of 83445003 is 30054438.

It is a happy number.

It is not a de Polignac number, because 83445003 - 2⁵ = 83444971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83445007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4635825 + ... + 4635842.

It is an arithmetic number, because the mean of its divisors is an integer number (20088614).

Almost surely, 2^83445003 is an apocalyptic number.

83445003 is a deficient number, since it is larger than the sum of its proper divisors (37086681).

83445003 is a wasteful number, since it uses less digits than its factorization.

83445003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271673 (or 9271670 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 83445003 is about 9134.8236436179. The cubic root of 83445003 is about 436.9852501624.

The spelling of 83445003 in words is "eighty-three million, four hundred forty-five thousand, three".