145808508 has 24 divisors (see below), whose sum is σ = 358126720. Its totient is φ = 46044720.

The previous prime is 145808503. The next prime is 145808513. The reversal of 145808508 is 805808541.

145808508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145808503) and next prime (145808513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145808503) 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, 319528 + ... + 319983.

Almost surely, 2^145808508 is an apocalyptic number.

It is an amenable number.

145808508 is an abundant number, since it is smaller than the sum of its proper divisors (212318212).

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

145808508 is a wasteful number, since it uses less digits than its factorization.

145808508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639537 (or 639535 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 145808508 is about 12075.1193782919. The cubic root of 145808508 is about 526.3334303512. Note that the first 3 decimals are identical.

The spelling of 145808508 in words is "one hundred forty-five million, eight hundred eight thousand, five hundred eight".