144332001 has 48 divisors (see below), whose sum is σ = 237219840. Its totient is φ = 83772000.

The previous prime is 144331949. The next prime is 144332029. The reversal of 144332001 is 100233441.

It is not a de Polignac number, because 144332001 - 2⁹ = 144331489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144332051) 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, 401860 + ... + 402218.

It is an arithmetic number, because the mean of its divisors is an integer number (4942080).

Almost surely, 2^144332001 is an apocalyptic number.

144332001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144332001 is a deficient number, since it is larger than the sum of its proper divisors (92887839).

144332001 is a wasteful number, since it uses less digits than its factorization.

144332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 144332001 is about 12013.8254107507. The cubic root of 144332001 is about 524.5507885350.

Adding to 144332001 its reverse (100233441), we get a palindrome (244565442).

The spelling of 144332001 in words is "one hundred forty-four million, three hundred thirty-two thousand, one".