144334454 has 32 divisors (see below), whose sum is σ = 252618912. Its totient is φ = 61120000.

The previous prime is 144334439. The next prime is 144334457. The reversal of 144334454 is 454433441.

It is a super-2 number, since 2×144334454² = 41664869222956232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144334454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144334457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35864 + ... + 39684.

It is an arithmetic number, because the mean of its divisors is an integer number (7894341).

Almost surely, 2^144334454 is an apocalyptic number.

144334454 is a deficient number, since it is larger than the sum of its proper divisors (108284458).

144334454 is a wasteful number, since it uses less digits than its factorization.

144334454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952.

The product of its digits is 46080, while the sum is 32.

The square root of 144334454 is about 12013.9275010298. The cubic root of 144334454 is about 524.5537601925.

Adding to 144334454 its reverse (454433441), we get a palindrome (598767895).

The spelling of 144334454 in words is "one hundred forty-four million, three hundred thirty-four thousand, four hundred fifty-four".