144428763 has 16 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 93541344.

The previous prime is 144428761. The next prime is 144428771. The reversal of 144428763 is 367824441.

It is not a de Polignac number, because 144428763 - 2¹ = 144428761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144428761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11968 + ... + 20786.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2^144428763 is an apocalyptic number.

144428763 is a deficient number, since it is larger than the sum of its proper divisors (53703717).

144428763 is a wasteful number, since it uses less digits than its factorization.

144428763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978.

The product of its digits is 129024, while the sum is 39.

The square root of 144428763 is about 12017.8518463160. The cubic root of 144428763 is about 524.6679841781.

The spelling of 144428763 in words is "one hundred forty-four million, four hundred twenty-eight thousand, seven hundred sixty-three".