144440133 has 8 divisors (see below), whose sum is σ = 192909696. Its totient is φ = 96132000.

The previous prime is 144440111. The next prime is 144440159. The reversal of 144440133 is 331044441.

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

It is not a de Polignac number, because 144440133 - 2¹⁴ = 144423749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440173) 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, 38253 + ... + 41858.

It is an arithmetic number, because the mean of its divisors is an integer number (24113712).

Almost surely, 2^144440133 is an apocalyptic number.

It is an amenable number.

144440133 is a deficient number, since it is larger than the sum of its proper divisors (48469563).

144440133 is an equidigital number, since it uses as much as digits as its factorization.

144440133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80715.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144440133 is about 12018.3248832772. The cubic root of 144440133 is about 524.6817517922.

Adding to 144440133 its reverse (331044441), we get a palindrome (475484574).

The spelling of 144440133 in words is "one hundred forty-four million, four hundred forty thousand, one hundred thirty-three".