145073808 has 80 divisors (see below), whose sum is σ = 454286400. Its totient is φ = 43960320.

The previous prime is 145073779. The next prime is 145073833. The reversal of 145073808 is 808370541.

145073808 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 10513 + ... + 20016.

It is an arithmetic number, because the mean of its divisors is an integer number (5678580).

Almost surely, 2^145073808 is an apocalyptic number.

145073808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145073808 is an abundant number, since it is smaller than the sum of its proper divisors (309212592).

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

145073808 is a wasteful number, since it uses less digits than its factorization.

145073808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30557 (or 30545 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 145073808 is about 12044.6588992798. The cubic root of 145073808 is about 525.4479116264.

The spelling of 145073808 in words is "one hundred forty-five million, seventy-three thousand, eight hundred eight".