144664522407 has 24 divisors (see below), whose sum is σ = 215739059328. Its totient is φ = 93315268800.

The previous prime is 144664522397. The next prime is 144664522463. The reversal of 144664522407 is 704225466441.

It is a happy number.

144664522407 is a `hidden beast` number, since 144 + 66 + 45 + 2 + 2 + 407 = 666.

It is not a de Polignac number, because 144664522407 - 2⁴ = 144664522391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144664522487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1625353 + ... + 1712045.

It is an arithmetic number, because the mean of its divisors is an integer number (8989127472).

Almost surely, 2^144664522407 is an apocalyptic number.

144664522407 is a deficient number, since it is larger than the sum of its proper divisors (71074536921).

144664522407 is a wasteful number, since it uses less digits than its factorization.

144664522407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92711 (or 92708 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

Adding to 144664522407 its reverse (704225466441), we get a palindrome (848889988848).

The spelling of 144664522407 in words is "one hundred forty-four billion, six hundred sixty-four million, five hundred twenty-two thousand, four hundred seven".