83845144 has 16 divisors (see below), whose sum is σ = 157899600. Its totient is φ = 41738592.

The previous prime is 83845129. The next prime is 83845147. The reversal of 83845144 is 44154838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83845147) 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, 21052 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (9868725).

Almost surely, 2^83845144 is an apocalyptic number.

It is an amenable number.

83845144 is a deficient number, since it is larger than the sum of its proper divisors (74054456).

83845144 is a wasteful number, since it uses less digits than its factorization.

83845144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46002 (or 45998 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 83845144 is about 9156.6994053534. The cubic root of 83845144 is about 437.6826235128.

The spelling of 83845144 in words is "eighty-three million, eight hundred forty-five thousand, one hundred forty-four".