144057867 has 16 divisors (see below), whose sum is σ = 206492160. Its totient is φ = 89046432.

The previous prime is 144057863. The next prime is 144057889. The reversal of 144057867 is 768750441.

It is not a de Polignac number, because 144057867 - 2² = 144057863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144057863) 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 15 ways as a sum of consecutive naturals, for example, 24208 + ... + 29565.

It is an arithmetic number, because the mean of its divisors is an integer number (12905760).

Almost surely, 2^144057867 is an apocalyptic number.

144057867 is a deficient number, since it is larger than the sum of its proper divisors (62434293).

144057867 is a wasteful number, since it uses less digits than its factorization.

144057867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53842.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 144057867 is about 12002.4108828185. The cubic root of 144057867 is about 524.2184798290.

The spelling of 144057867 in words is "one hundred forty-four million, fifty-seven thousand, eight hundred sixty-seven".