144986193 has 36 divisors (see below), whose sum is σ = 238767984. Its totient is φ = 87852600.

The previous prime is 144986129. The next prime is 144986197. The reversal of 144986193 is 391689441.

144986193 is a `hidden beast` number, since 14 + 498 + 61 + 93 = 666.

It is not a de Polignac number, because 144986193 - 2⁶ = 144986129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144986197) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26938 + ... + 31868.

It is an arithmetic number, because the mean of its divisors is an integer number (6632444).

Almost surely, 2^144986193 is an apocalyptic number.

It is an amenable number.

144986193 is a deficient number, since it is larger than the sum of its proper divisors (93781791).

144986193 is an equidigital number, since it uses as much as digits as its factorization.

144986193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968 (or 4945 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 144986193 is about 12041.0212606739. The cubic root of 144986193 is about 525.3421117113.

The spelling of 144986193 in words is "one hundred forty-four million, nine hundred eighty-six thousand, one hundred ninety-three".