144436487 has 8 divisors (see below), whose sum is σ = 156925104. Its totient is φ = 132144768.

The previous prime is 144436477. The next prime is 144436511. The reversal of 144436487 is 784634441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144436487 - 2¹⁶ = 144370951 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 (144436427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47693 + ... + 50630.

It is an arithmetic number, because the mean of its divisors is an integer number (19615638).

Almost surely, 2^144436487 is an apocalyptic number.

144436487 is a deficient number, since it is larger than the sum of its proper divisors (12488617).

144436487 is a wasteful number, since it uses less digits than its factorization.

144436487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98449.

The product of its digits is 258048, while the sum is 41.

The square root of 144436487 is about 12018.1731972875. The cubic root of 144436487 is about 524.6773370318.

The spelling of 144436487 in words is "one hundred forty-four million, four hundred thirty-six thousand, four hundred eighty-seven".