144916452 has 42 divisors (see below), whose sum is σ = 380239398. Its totient is φ = 48304512.

The previous prime is 144916441. The next prime is 144916459. The reversal of 144916452 is 254619441.

144916452 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 1 + 645 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 66487716 = 8856^2 + 8154^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144916459) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 21933 + ... + 27764.

It is an arithmetic number, because the mean of its divisors is an integer number (9053319).

Almost surely, 2^144916452 is an apocalyptic number.

144916452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144916452 is an abundant number, since it is smaller than the sum of its proper divisors (235322946).

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

144916452 is an equidigital number, since it uses as much as digits as its factorization.

144916452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49719 (or 49702 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 144916452 is about 12038.1249370490. The cubic root of 144916452 is about 525.2578651599.

The spelling of 144916452 in words is "one hundred forty-four million, nine hundred sixteen thousand, four hundred fifty-two".