144455226 has 32 divisors (see below), whose sum is σ = 311205888. Its totient is φ = 44571120.

The previous prime is 144455221. The next prime is 144455231. The reversal of 144455226 is 622554441.

It is an interprime number because it is at equal distance from previous prime (144455221) and next prime (144455231).

It is a super-2 number, since 2×144455226² = 41734624637422152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144455221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12606 + ... + 21161.

It is an arithmetic number, because the mean of its divisors is an integer number (9725184).

Almost surely, 2^144455226 is an apocalyptic number.

144455226 is an abundant number, since it is smaller than the sum of its proper divisors (166750662).

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

144455226 is a wasteful number, since it uses less digits than its factorization.

144455226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33826.

The product of its digits is 38400, while the sum is 33.

The square root of 144455226 is about 12018.9527830007. The cubic root of 144455226 is about 524.7000263666.

The spelling of 144455226 in words is "one hundred forty-four million, four hundred fifty-five thousand, two hundred twenty-six".