144452011 has 4 divisors (see below), whose sum is σ = 157584024. Its totient is φ = 131320000.

The previous prime is 144451919. The next prime is 144452027. The reversal of 144452011 is 110254441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144452011 - 2¹⁵ = 144419243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144452051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6565990 + ... + 6566011.

It is an arithmetic number, because the mean of its divisors is an integer number (39396006).

Almost surely, 2^144452011 is an apocalyptic number.

144452011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144452011 is a deficient number, since it is larger than the sum of its proper divisors (13132013).

144452011 is a wasteful number, since it uses less digits than its factorization.

144452011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13132012.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 144452011 is about 12018.8190351631. The cubic root of 144452011 is about 524.6961337577.

The spelling of 144452011 in words is "one hundred forty-four million, four hundred fifty-two thousand, eleven".