144316487 has 16 divisors (see below), whose sum is σ = 166858560. Its totient is φ = 122266368.

The previous prime is 144316453. The next prime is 144316531. The reversal of 144316487 is 784613441.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-144316487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144316487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144316787) 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, 315563 + ... + 316019.

It is an arithmetic number, because the mean of its divisors is an integer number (10428660).

Almost surely, 2^144316487 is an apocalyptic number.

144316487 is a deficient number, since it is larger than the sum of its proper divisors (22542073).

144316487 is a wasteful number, since it uses less digits than its factorization.

144316487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 64512, while the sum is 38.

The square root of 144316487 is about 12013.1797206235. The cubic root of 144316487 is about 524.5319935058.

The spelling of 144316487 in words is "one hundred forty-four million, three hundred sixteen thousand, four hundred eighty-seven".