144766197 has 10 divisors (see below), whose sum is σ = 216255798. Its totient is φ = 96510744.

The previous prime is 144766183. The next prime is 144766199. The reversal of 144766197 is 791667441.

144766197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 99082116 + 45684081 = 9954^2 + 6759^2 .

It is not a de Polignac number, because 144766197 - 2⁶ = 144766133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144766199) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 893538 + ... + 893699.

Almost surely, 2^144766197 is an apocalyptic number.

It is an amenable number.

144766197 is a deficient number, since it is larger than the sum of its proper divisors (71489601).

144766197 is an equidigital number, since it uses as much as digits as its factorization.

144766197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787249 (or 1787240 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 144766197 is about 12031.8825210355. The cubic root of 144766197 is about 525.0762664713.

The spelling of 144766197 in words is "one hundred forty-four million, seven hundred sixty-six thousand, one hundred ninety-seven".