144651675393 has 20 divisors (see below), whose sum is σ = 221109830128. Its totient is φ = 94191786360.

The previous prime is 144651675391. The next prime is 144651675397. The reversal of 144651675393 is 393576156441.

144651675393 is a `hidden beast` number, since 1 + 4 + 46 + 5 + 1 + 67 + 539 + 3 = 666.

It is not a de Polignac number, because 144651675393 - 2¹ = 144651675391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144651675391) 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, 20761903 + ... + 20768868.

Almost surely, 2^144651675393 is an apocalyptic number.

It is an amenable number.

144651675393 is a deficient number, since it is larger than the sum of its proper divisors (76458154735).

144651675393 is an equidigital number, since it uses as much as digits as its factorization.

144651675393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41530826 (or 41530817 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 144651675393 in words is "one hundred forty-four billion, six hundred fifty-one million, six hundred seventy-five thousand, three hundred ninety-three".