144681454 has 8 divisors (see below), whose sum is σ = 226458000. Its totient is φ = 69195456.

The previous prime is 144681437. The next prime is 144681479. The reversal of 144681454 is 454186441.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572579 + ... + 1572670.

It is an arithmetic number, because the mean of its divisors is an integer number (28307250).

Almost surely, 2^144681454 is an apocalyptic number.

144681454 is a deficient number, since it is larger than the sum of its proper divisors (81776546).

144681454 is a wasteful number, since it uses less digits than its factorization.

144681454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145274.

The product of its digits is 61440, while the sum is 37.

The square root of 144681454 is about 12028.3604036460. The cubic root of 144681454 is about 524.9737903771.

The spelling of 144681454 in words is "one hundred forty-four million, six hundred eighty-one thousand, four hundred fifty-four".