144040471522 has 4 divisors (see below), whose sum is σ = 216060707286. Its totient is φ = 72020235760.

The previous prime is 144040471499. The next prime is 144040471541. The reversal of 144040471522 is 225174040441.

144040471522 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225174040441 = 7 ⋅32167720063.

It can be written as a sum of positive squares in only one way, i.e., 131124376321 + 12916095201 = 362111^2 + 113649^2 .

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 as a sum of consecutive naturals, namely, 36010117879 + ... + 36010117882.

Almost surely, 2^144040471522 is an apocalyptic number.

144040471522 is a deficient number, since it is larger than the sum of its proper divisors (72020235764).

144040471522 is an equidigital number, since it uses as much as digits as its factorization.

144040471522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72020235763.

The product of its (nonzero) digits is 35840, while the sum is 34.

The spelling of 144040471522 in words is "one hundred forty-four billion, forty million, four hundred seventy-one thousand, five hundred twenty-two".