145454208 has 128 divisors (see below), whose sum is σ = 413614080. Its totient is φ = 45179904.

The previous prime is 145454189. The next prime is 145454209. The reversal of 145454208 is 802454541.

It is a happy number.

145454208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (145454209) by changing a digit.

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, 379585 + ... + 379967.

It is an arithmetic number, because the mean of its divisors is an integer number (3231360).

Almost surely, 2^145454208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145454208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206807040).

145454208 is an abundant number, since it is smaller than the sum of its proper divisors (268159872).

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

145454208 is a wasteful number, since it uses less digits than its factorization.

145454208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 145454208 is about 12060.4397929760. The cubic root of 145454208 is about 525.9067721640.

The spelling of 145454208 in words is "one hundred forty-five million, four hundred fifty-four thousand, two hundred eight".