145608222 has 8 divisors (see below), whose sum is σ = 291216456. Its totient is φ = 48536072.

The previous prime is 145608187. The next prime is 145608223. The reversal of 145608222 is 222806541.

It is a sphenic number, since it is the product of 3 distinct primes.

145608222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 145608222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145608223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12134013 + ... + 12134024.

It is an arithmetic number, because the mean of its divisors is an integer number (36402057).

Almost surely, 2^145608222 is an apocalyptic number.

145608222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145608222 is a wasteful number, since it uses less digits than its factorization.

145608222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24268042.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 145608222 is about 12066.8231941966. The cubic root of 145608222 is about 526.0923252570.

The spelling of 145608222 in words is "one hundred forty-five million, six hundred eight thousand, two hundred twenty-two".