144465487 has 4 divisors (see below), whose sum is σ = 149125696. Its totient is φ = 139805280.

The previous prime is 144465481. The next prime is 144465533. The reversal of 144465487 is 784564441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784564441 = 151 ⋅5195791.

It is a cyclic number.

It is not a de Polignac number, because 144465487 - 2¹¹ = 144463439 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 (144465481) 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, 2330058 + ... + 2330119.

It is an arithmetic number, because the mean of its divisors is an integer number (37281424).

Almost surely, 2^144465487 is an apocalyptic number.

144465487 is a deficient number, since it is larger than the sum of its proper divisors (4660209).

144465487 is an equidigital number, since it uses as much as digits as its factorization.

144465487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660208.

The product of its digits is 430080, while the sum is 43.

The square root of 144465487 is about 12019.3796428934. The cubic root of 144465487 is about 524.7124496382.

The spelling of 144465487 in words is "one hundred forty-four million, four hundred sixty-five thousand, four hundred eighty-seven".