144791479147 has 4 divisors (see below), whose sum is σ = 165475976176. Its totient is φ = 124106982120.

The previous prime is 144791479139. The next prime is 144791479159. The reversal of 144791479147 is 741974197441.

It is a happy number.

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 144791479147 - 2³ = 144791479139 is a prime.

It is a super-2 number, since 2×144791479147² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144791479091 and 144791479100.

It is not an unprimeable number, because it can be changed into a prime (144791479747) 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, 10342248504 + ... + 10342248517.

It is an arithmetic number, because the mean of its divisors is an integer number (41368994044).

Almost surely, 2^144791479147 is an apocalyptic number.

144791479147 is a deficient number, since it is larger than the sum of its proper divisors (20684497029).

144791479147 is an equidigital number, since it uses as much as digits as its factorization.

144791479147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20684497028.

The product of its digits is 7112448, while the sum is 58.

The spelling of 144791479147 in words is "one hundred forty-four billion, seven hundred ninety-one million, four hundred seventy-nine thousand, one hundred forty-seven".