145638808 has 32 divisors (see below), whose sum is σ = 320522400. Its totient is φ = 60728832.

The previous prime is 145638803. The next prime is 145638827. The reversal of 145638808 is 808836541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145638803) 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, 33073 + ... + 37216.

It is an arithmetic number, because the mean of its divisors is an integer number (10016325).

Almost surely, 2^145638808 is an apocalyptic number.

It is an amenable number.

145638808 is an abundant number, since it is smaller than the sum of its proper divisors (174883592).

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

145638808 is a wasteful number, since it uses less digits than its factorization.

145638808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70339 (or 70335 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 145638808 is about 12068.0904868997. The cubic root of 145638808 is about 526.1291591049.

The spelling of 145638808 in words is "one hundred forty-five million, six hundred thirty-eight thousand, eight hundred eight".