83145732 has 12 divisors (see below), whose sum is σ = 194006736. Its totient is φ = 27715240.

The previous prime is 83145721. The next prime is 83145743. The reversal of 83145732 is 23754138.

It is an interprime number because it is at equal distance from previous prime (83145721) and next prime (83145743).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 83145693 and 83145702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464394 + ... + 3464417.

It is an arithmetic number, because the mean of its divisors is an integer number (16167228).

Almost surely, 2^83145732 is an apocalyptic number.

It is an amenable number.

83145732 is an abundant number, since it is smaller than the sum of its proper divisors (110861004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83145732 is a wasteful number, since it uses less digits than its factorization.

83145732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928818 (or 6928816 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 83145732 is about 9118.4281540187. The cubic root of 83145732 is about 436.4622163800.

The spelling of 83145732 in words is "eighty-three million, one hundred forty-five thousand, seven hundred thirty-two".