144258887 has 4 divisors (see below), whose sum is σ = 151851480. Its totient is φ = 136666296.

The previous prime is 144258871. The next prime is 144258899. The reversal of 144258887 is 788852441.

144258887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144258887 - 2⁴ = 144258871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144258817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796268 + ... + 3796305.

It is an arithmetic number, because the mean of its divisors is an integer number (37962870).

Almost surely, 2^144258887 is an apocalyptic number.

144258887 is a deficient number, since it is larger than the sum of its proper divisors (7592593).

144258887 is an equidigital number, since it uses as much as digits as its factorization.

144258887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592592.

The product of its digits is 573440, while the sum is 47.

The square root of 144258887 is about 12010.7821144170. The cubic root of 144258887 is about 524.4621999941.

The spelling of 144258887 in words is "one hundred forty-four million, two hundred fifty-eight thousand, eight hundred eighty-seven".