144247428763 has 4 divisors (see below), whose sum is σ = 147316523040. Its totient is φ = 141178334488.

The previous prime is 144247428761. The next prime is 144247428769. The reversal of 144247428763 is 367824742441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367824742441 = 13 ⋅28294210957.

It is a cyclic number.

It is not a de Polignac number, because 144247428763 - 2¹ = 144247428761 is a prime.

It is a super-3 number, since 3×144247428763³ (a number of 34 digits) contains 333 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 144247428763.

It is not an unprimeable number, because it can be changed into a prime (144247428761) 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, 1534547068 + ... + 1534547161.

It is an arithmetic number, because the mean of its divisors is an integer number (36829130760).

Almost surely, 2^144247428763 is an apocalyptic number.

144247428763 is a deficient number, since it is larger than the sum of its proper divisors (3069094277).

144247428763 is an equidigital number, since it uses as much as digits as its factorization.

144247428763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069094276.

The product of its digits is 7225344, while the sum is 52.

The spelling of 144247428763 in words is "one hundred forty-four billion, two hundred forty-seven million, four hundred twenty-eight thousand, seven hundred sixty-three".