144771077 has 8 divisors (see below), whose sum is σ = 159496992. Its totient is φ = 130306000.

The previous prime is 144771061. The next prime is 144771079. The reversal of 144771077 is 770177441.

It is a happy number.

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

It is not a de Polignac number, because 144771077 - 2⁴ = 144771061 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 144771077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144771079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64043 + ... + 66264.

It is an arithmetic number, because the mean of its divisors is an integer number (19937124).

Almost surely, 2^144771077 is an apocalyptic number.

It is an amenable number.

144771077 is a deficient number, since it is larger than the sum of its proper divisors (14725915).

144771077 is a wasteful number, since it uses less digits than its factorization.

144771077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130419.

The product of its (nonzero) digits is 38416, while the sum is 38.

The square root of 144771077 is about 12032.0853138598. The cubic root of 144771077 is about 525.0821664292.

The spelling of 144771077 in words is "one hundred forty-four million, seven hundred seventy-one thousand, seventy-seven".