144746471636 has 48 divisors (see below), whose sum is σ = 274253969808. Its totient is φ = 66448512000.

The previous prime is 144746471599. The next prime is 144746471657. The reversal of 144746471636 is 636174647441.

144746471636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3813803536 + 140932668100 = 61756^2 + 375410^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12364586 + ... + 12376286.

It is an arithmetic number, because the mean of its divisors is an integer number (5713624371).

Almost surely, 2^144746471636 is an apocalyptic number.

It is an amenable number.

144746471636 is a deficient number, since it is larger than the sum of its proper divisors (129507498172).

144746471636 is a wasteful number, since it uses less digits than its factorization.

144746471636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972 (or 12970 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 53.

The spelling of 144746471636 in words is "one hundred forty-four billion, seven hundred forty-six million, four hundred seventy-one thousand, six hundred thirty-six".