83190345 has 32 divisors (see below), whose sum is σ = 154275840. Its totient is φ = 37490880.

The previous prime is 83190343. The next prime is 83190361. The reversal of 83190345 is 54309138.

It is not a de Polignac number, because 83190345 - 2¹ = 83190343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83190343) 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 31 ways as a sum of consecutive naturals, for example, 1876 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (4821120).

Almost surely, 2^83190345 is an apocalyptic number.

It is an amenable number.

83190345 is a deficient number, since it is larger than the sum of its proper divisors (71085495).

83190345 is a wasteful number, since it uses less digits than its factorization.

83190345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 83190345 is about 9120.8741357394. The cubic root of 83190345 is about 436.5402657150.

The spelling of 83190345 in words is "eighty-three million, one hundred ninety thousand, three hundred forty-five".