144604487 has 2 divisors, whose sum is σ = 144604488. Its totient is φ = 144604486.

The previous prime is 144604463. The next prime is 144604513. The reversal of 144604487 is 784406441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144604487 - 2²² = 140410183 is a prime.

It is a Chen prime.

It is equal to p_8157638 and since 144604487 and 8157638 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144604487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144604387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72302243 + 72302244.

It is an arithmetic number, because the mean of its divisors is an integer number (72302244).

Almost surely, 2^144604487 is an apocalyptic number.

144604487 is a deficient number, since it is larger than the sum of its proper divisors (1).

144604487 is an equidigital number, since it uses as much as digits as its factorization.

144604487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 144604487 is about 12025.1605810484. The cubic root of 144604487 is about 524.8806827865.

The spelling of 144604487 in words is "one hundred forty-four million, six hundred four thousand, four hundred eighty-seven".