83445288 has 32 divisors (see below), whose sum is σ = 217684800. Its totient is φ = 26605568.

The previous prime is 83445281. The next prime is 83445289. The reversal of 83445288 is 88254438.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83445281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75033 + ... + 76136.

It is an arithmetic number, because the mean of its divisors is an integer number (6802650).

Almost surely, 2^83445288 is an apocalyptic number.

It is an amenable number.

83445288 is an abundant number, since it is smaller than the sum of its proper divisors (134239512).

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

83445288 is a wasteful number, since it uses less digits than its factorization.

83445288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151201 (or 151197 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 83445288 is about 9134.8392432489. The cubic root of 83445288 is about 436.9857476583.

The spelling of 83445288 in words is "eighty-three million, four hundred forty-five thousand, two hundred eighty-eight".