144395622 has 80 divisors (see below), whose sum is σ = 372083712. Its totient is φ = 40998960.

The previous prime is 144395621. The next prime is 144395623. The reversal of 144395622 is 226593441.

It is a happy number.

144395622 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 (144395621) and next prime (144395623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144395621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 252597 + ... + 253167.

Almost surely, 2^144395622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144395622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186041856).

144395622 is an abundant number, since it is smaller than the sum of its proper divisors (227688090).

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

144395622 is a wasteful number, since it uses less digits than its factorization.

144395622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 806 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 144395622 is about 12016.4729434223. The cubic root of 144395622 is about 524.6278505476.

The spelling of 144395622 in words is "one hundred forty-four million, three hundred ninety-five thousand, six hundred twenty-two".