144621475 has 12 divisors (see below), whose sum is σ = 179480824. Its totient is φ = 115600320.

The previous prime is 144621467. The next prime is 144621487. The reversal of 144621475 is 574126441.

It is not a de Polignac number, because 144621475 - 2³ = 144621467 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144621475.

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 11 ways as a sum of consecutive naturals, for example, 52072 + ... + 54778.

Almost surely, 2^144621475 is an apocalyptic number.

144621475 is a deficient number, since it is larger than the sum of its proper divisors (34859349).

144621475 is a wasteful number, since it uses less digits than its factorization.

144621475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854 (or 4849 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 144621475 is about 12025.8669126180. The cubic root of 144621475 is about 524.9012361457.

The spelling of 144621475 in words is "one hundred forty-four million, six hundred twenty-one thousand, four hundred seventy-five".