144466920 has 96 divisors (see below), whose sum is σ = 505650600. Its totient is φ = 35559936.

The previous prime is 144466909. The next prime is 144466921. The reversal of 144466920 is 29664441.

It can be written as a sum of positive squares in 4 ways, for example, as 49871844 + 94595076 = 7062^2 + 9726^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144466921) 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 23 ways as a sum of consecutive naturals, for example, 10755 + ... + 20114.

Almost surely, 2^144466920 is an apocalyptic number.

144466920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144466920 is an abundant number, since it is smaller than the sum of its proper divisors (361183680).

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

144466920 is a wasteful number, since it uses less digits than its factorization.

144466920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30899 (or 30892 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 144466920 is about 12019.4392548072. The cubic root of 144466920 is about 524.7141845634.

The spelling of 144466920 in words is "one hundred forty-four million, four hundred sixty-six thousand, nine hundred twenty".