144485646 has 8 divisors (see below), whose sum is σ = 288971304. Its totient is φ = 48161880.

The previous prime is 144485623. The next prime is 144485647. The reversal of 144485646 is 646584441.

It is a happy number.

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

144485646 is an admirable number.

It is a super-2 number, since 2×144485646² = 41752203800074632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144485598 and 144485607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144485647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12040465 + ... + 12040476.

It is an arithmetic number, because the mean of its divisors is an integer number (36121413).

Almost surely, 2^144485646 is an apocalyptic number.

144485646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144485646 is a wasteful number, since it uses less digits than its factorization.

144485646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24080946.

The product of its digits is 368640, while the sum is 42.

The square root of 144485646 is about 12020.2182176531. The cubic root of 144485646 is about 524.7368549743.

The spelling of 144485646 in words is "one hundred forty-four million, four hundred eighty-five thousand, six hundred forty-six".