144903599163 has 20 divisors (see below), whose sum is σ = 216558661968. Its totient is φ = 96558784560.

The previous prime is 144903599143. The next prime is 144903599249. The reversal of 144903599163 is 361995309441.

It is a happy number.

144903599163 is a `hidden beast` number, since 1 + 4 + 49 + 0 + 3 + 599 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 144903599163 - 2¹³ = 144903590971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144903599143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 222831 + ... + 582632.

Almost surely, 2^144903599163 is an apocalyptic number.

144903599163 is a deficient number, since it is larger than the sum of its proper divisors (71655062805).

144903599163 is an equidigital number, since it uses as much as digits as its factorization.

144903599163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807696 (or 807687 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 144903599163 in words is "one hundred forty-four billion, nine hundred three million, five hundred ninety-nine thousand, one hundred sixty-three".