83481345 has 48 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 41904000.

The previous prime is 83481341. The next prime is 83481403. The reversal of 83481345 is 54318438.

It is not a de Polignac number, because 83481345 - 2² = 83481341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83481341) 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 47 ways as a sum of consecutive naturals, for example, 214411 + ... + 214799.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^83481345 is an apocalyptic number.

It is an amenable number.

83481345 is a deficient number, since it is larger than the sum of its proper divisors (69835455).

83481345 is a wasteful number, since it uses less digits than its factorization.

83481345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 667 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 83481345 is about 9136.8126280449. The cubic root of 83481345 is about 437.0486796168.

The spelling of 83481345 in words is "eighty-three million, four hundred eighty-one thousand, three hundred forty-five".