144135486 has 48 divisors (see below), whose sum is σ = 360732528. Its totient is φ = 41107200.

The previous prime is 144135473. The next prime is 144135487. The reversal of 144135486 is 684531441.

144135486 is a `hidden beast` number, since 1 + 44 + 135 + 486 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144135486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144135487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18045 + ... + 24776.

It is an arithmetic number, because the mean of its divisors is an integer number (7515261).

Almost surely, 2^144135486 is an apocalyptic number.

144135486 is an abundant number, since it is smaller than the sum of its proper divisors (216597042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144135486 is a wasteful number, since it uses less digits than its factorization.

144135486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42857 (or 42854 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 144135486 is about 12005.6439227557. The cubic root of 144135486 is about 524.3126133171.

The spelling of 144135486 in words is "one hundred forty-four million, one hundred thirty-five thousand, four hundred eighty-six".