144745867 has 12 divisors (see below), whose sum is σ = 169570768. Its totient is φ = 121032000.

The previous prime is 144745847. The next prime is 144745883. The reversal of 144745867 is 768547441.

It is a de Polignac number, because none of the positive numbers 2^k-144745867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144745847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5617 + ... + 17917.

Almost surely, 2^144745867 is an apocalyptic number.

144745867 is a deficient number, since it is larger than the sum of its proper divisors (24824901).

144745867 is an equidigital number, since it uses as much as digits as its factorization.

144745867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390 (or 12349 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 144745867 is about 12031.0376526715. The cubic root of 144745867 is about 525.0516859167.

The spelling of 144745867 in words is "one hundred forty-four million, seven hundred forty-five thousand, eight hundred sixty-seven".