144770471481 has 8 divisors (see below), whose sum is σ = 203186626720. Its totient is φ = 91433981952.

The previous prime is 144770471473. The next prime is 144770471507. The reversal of 144770471481 is 184174077441.

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

It is not a de Polignac number, because 144770471481 - 2³ = 144770471473 is a prime.

It is a super-2 number, since 2×144770471481² (a number of 23 digits) 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 144770471481.

It is not an unprimeable number, because it can be changed into a prime (144770471441) 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, 1269916360 + ... + 1269916473.

It is an arithmetic number, because the mean of its divisors is an integer number (25398328340).

Almost surely, 2^144770471481 is an apocalyptic number.

It is an amenable number.

144770471481 is a deficient number, since it is larger than the sum of its proper divisors (58416155239).

144770471481 is a wasteful number, since it uses less digits than its factorization.

144770471481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539832855.

The product of its (nonzero) digits is 702464, while the sum is 48.

The spelling of 144770471481 in words is "one hundred forty-four billion, seven hundred seventy million, four hundred seventy-one thousand, four hundred eighty-one".