83101145 has 4 divisors (see below), whose sum is σ = 99721380. Its totient is φ = 66480912.

The previous prime is 83101141. The next prime is 83101147. The reversal of 83101145 is 54110138.

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 49182169 + 33918976 = 7013^2 + 5824^2 .

It is a cyclic number.

It is not a de Polignac number, because 83101145 - 2² = 83101141 is a prime.

It is a super-2 number, since 2×83101145² = 13811600600622050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83101145.

It is not an unprimeable number, because it can be changed into a prime (83101141) 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 3 ways as a sum of consecutive naturals, for example, 8310110 + ... + 8310119.

It is an arithmetic number, because the mean of its divisors is an integer number (24930345).

Almost surely, 2^83101145 is an apocalyptic number.

It is an amenable number.

83101145 is a deficient number, since it is larger than the sum of its proper divisors (16620235).

83101145 is a wasteful number, since it uses less digits than its factorization.

83101145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16620234.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 83101145 is about 9115.9829420639. The cubic root of 83101145 is about 436.3841846319.

The spelling of 83101145 in words is "eighty-three million, one hundred one thousand, one hundred forty-five".