144455133 has 8 divisors (see below), whose sum is σ = 198820096. Its totient is φ = 93196800.

The previous prime is 144455083. The next prime is 144455147. The reversal of 144455133 is 331554441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144455133 - 2⁹ = 144454621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144455133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144450133) 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, 776548 + ... + 776733.

It is an arithmetic number, because the mean of its divisors is an integer number (24852512).

Almost surely, 2^144455133 is an apocalyptic number.

It is an amenable number.

144455133 is a deficient number, since it is larger than the sum of its proper divisors (54364963).

144455133 is a wasteful number, since it uses less digits than its factorization.

144455133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553315.

The product of its digits is 14400, while the sum is 30.

The square root of 144455133 is about 12018.9489141106. The cubic root of 144455133 is about 524.6999137663.

The spelling of 144455133 in words is "one hundred forty-four million, four hundred fifty-five thousand, one hundred thirty-three".