83480545 has 4 divisors (see below), whose sum is σ = 100176660. Its totient is φ = 66784432.

The previous prime is 83480519. The next prime is 83480569. The reversal of 83480545 is 54508438.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 27050401 = 7512^2 + 5201^2 .

It is a cyclic number.

It is not a de Polignac number, because 83480545 - 2¹⁷ = 83349473 is a prime.

It is an unprimeable number.

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, 8348050 + ... + 8348059.

It is an arithmetic number, because the mean of its divisors is an integer number (25044165).

Almost surely, 2^83480545 is an apocalyptic number.

It is an amenable number.

83480545 is a deficient number, since it is larger than the sum of its proper divisors (16696115).

83480545 is a wasteful number, since it uses less digits than its factorization.

83480545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696114.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 83480545 is about 9136.7688489969. The cubic root of 83480545 is about 437.0472835362.

The spelling of 83480545 in words is "eighty-three million, four hundred eighty thousand, five hundred forty-five".