83145080 has 16 divisors (see below), whose sum is σ = 187076520. Its totient is φ = 33258016.

The previous prime is 83145071. The next prime is 83145107. The reversal of 83145080 is 8054138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039274 + ... + 1039353.

Almost surely, 2^83145080 is an apocalyptic number.

It is an amenable number.

83145080 is an abundant number, since it is smaller than the sum of its proper divisors (103931440).

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

83145080 is a wasteful number, since it uses less digits than its factorization.

83145080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078638 (or 2078634 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 83145080 is about 9118.3924021727. The cubic root of 83145080 is about 436.4610755152.

The spelling of 83145080 in words is "eighty-three million, one hundred forty-five thousand, eighty".