144753228 has 18 divisors (see below), whose sum is σ = 365904084. Its totient is φ = 48251064.

The previous prime is 144753227. The next prime is 144753269. The reversal of 144753228 is 822357441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4020923 = 144753228 / (1 + 4 + 4 + 7 + 5 + 3 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 144753192 and 144753201.

It is not an unprimeable number, because it can be changed into a prime (144753223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2010426 + ... + 2010497.

Almost surely, 2^144753228 is an apocalyptic number.

144753228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144753228 is an abundant number, since it is smaller than the sum of its proper divisors (221150856).

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

144753228 is a wasteful number, since it uses less digits than its factorization.

144753228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020933 (or 4020928 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 144753228 is about 12031.3435658699. The cubic root of 144753228 is about 525.0605862052.

The spelling of 144753228 in words is "one hundred forty-four million, seven hundred fifty-three thousand, two hundred twenty-eight".