144395634 has 16 divisors (see below), whose sum is σ = 295507872. Its totient is φ = 47012448.

The previous prime is 144395623. The next prime is 144395639. The reversal of 144395634 is 436593441.

144395634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144395592 and 144395601.

It is not an unprimeable number, because it can be changed into a prime (144395639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279579 + ... + 280094.

It is an arithmetic number, because the mean of its divisors is an integer number (18469242).

Almost surely, 2^144395634 is an apocalyptic number.

144395634 is an abundant number, since it is smaller than the sum of its proper divisors (151112238).

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

144395634 is a wasteful number, since it uses less digits than its factorization.

144395634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559721.

The product of its digits is 155520, while the sum is 39.

The square root of 144395634 is about 12016.4734427368. The cubic root of 144395634 is about 524.6278650807.

The spelling of 144395634 in words is "one hundred forty-four million, three hundred ninety-five thousand, six hundred thirty-four".