144771145 has 8 divisors (see below), whose sum is σ = 173968704. Its totient is φ = 115654704.

The previous prime is 144771119. The next prime is 144771149. The reversal of 144771145 is 541177441.

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

It is a cyclic number.

It is not a de Polignac number, because 144771145 - 2²³ = 136382537 is a prime.

It is a super-2 number, since 2×144771145² = 41917368849222050, which contains 22 as substring.

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 144771145.

It is not an unprimeable number, because it can be changed into a prime (144771149) 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, 16279 + ... + 23548.

It is an arithmetic number, because the mean of its divisors is an integer number (21746088).

Almost surely, 2^144771145 is an apocalyptic number.

It is an amenable number.

144771145 is a deficient number, since it is larger than the sum of its proper divisors (29197559).

144771145 is an equidigital number, since it uses as much as digits as its factorization.

144771145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40559.

The product of its digits is 15680, while the sum is 34.

The square root of 144771145 is about 12032.0881396373. The cubic root of 144771145 is about 525.0822486408.

The spelling of 144771145 in words is "one hundred forty-four million, seven hundred seventy-one thousand, one hundred forty-five".