83245745 has 32 divisors (see below), whose sum is σ = 117866880. Its totient is φ = 55779840.

The previous prime is 83245741. The next prime is 83245759. The reversal of 83245745 is 54754238.

It is a happy number.

It is not a de Polignac number, because 83245745 - 2² = 83245741 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 83245699 and 83245708.

It is not an unprimeable number, because it can be changed into a prime (83245741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37589 + ... + 39741.

It is an arithmetic number, because the mean of its divisors is an integer number (3683340).

Almost surely, 2^83245745 is an apocalyptic number.

It is an amenable number.

83245745 is a deficient number, since it is larger than the sum of its proper divisors (34621135).

83245745 is a wasteful number, since it uses less digits than its factorization.

83245745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 134400, while the sum is 38.

The square root of 83245745 is about 9123.9106199042. The cubic root of 83245745 is about 436.6371478081.

The spelling of 83245745 in words is "eighty-three million, two hundred forty-five thousand, seven hundred forty-five".