144207071 has 4 divisors (see below), whose sum is σ = 148858944. Its totient is φ = 139555200.

The previous prime is 144207067. The next prime is 144207113. The reversal of 144207071 is 170702441.

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 144207071 - 2² = 144207067 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 144207071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144207671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325890 + ... + 2325951.

It is an arithmetic number, because the mean of its divisors is an integer number (37214736).

Almost surely, 2^144207071 is an apocalyptic number.

144207071 is a deficient number, since it is larger than the sum of its proper divisors (4651873).

144207071 is an equidigital number, since it uses as much as digits as its factorization.

144207071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651872.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 144207071 is about 12008.6248588254. The cubic root of 144207071 is about 524.3993990389.

The spelling of 144207071 in words is "one hundred forty-four million, two hundred seven thousand, seventy-one".