144422355 has 48 divisors (see below), whose sum is σ = 293255424. Its totient is φ = 60016320.

The previous prime is 144422353. The next prime is 144422381. The reversal of 144422355 is 553224441.

It is not a de Polignac number, because 144422355 - 2¹ = 144422353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144422351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 847 + ... + 17016.

It is an arithmetic number, because the mean of its divisors is an integer number (6109488).

Almost surely, 2^144422355 is an apocalyptic number.

144422355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144422355 is an abundant number, since it is smaller than the sum of its proper divisors (148833069).

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

144422355 is a wasteful number, since it uses less digits than its factorization.

144422355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896 (or 17889 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 144422355 is about 12017.5852399723. The cubic root of 144422355 is about 524.6602245922.

Adding to 144422355 its reverse (553224441), we get a palindrome (697646796).

The spelling of 144422355 in words is "one hundred forty-four million, four hundred twenty-two thousand, three hundred fifty-five".