144428573 has 4 divisors (see below), whose sum is σ = 144485088. Its totient is φ = 144372060.

The previous prime is 144428561. The next prime is 144428579. The reversal of 144428573 is 375824441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144428573 - 2¹² = 144424477 is a prime.

It is a super-2 number, since 2×144428573² = 41719225397632658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144428579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24233 + ... + 29598.

It is an arithmetic number, because the mean of its divisors is an integer number (36121272).

Almost surely, 2^144428573 is an apocalyptic number.

It is an amenable number.

144428573 is a deficient number, since it is larger than the sum of its proper divisors (56515).

144428573 is an equidigital number, since it uses as much as digits as its factorization.

144428573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56514.

The product of its digits is 107520, while the sum is 38.

The square root of 144428573 is about 12017.8439414065. The cubic root of 144428573 is about 524.6677541063.

The spelling of 144428573 in words is "one hundred forty-four million, four hundred twenty-eight thousand, five hundred seventy-three".