144428572 has 24 divisors (see below), whose sum is σ = 259459200. Its totient is φ = 70308336.

The previous prime is 144428561. The next prime is 144428579. The reversal of 144428572 is 275824441.

144428572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144428572² = 41719224819918368, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 60579 + ... + 62917.

It is an arithmetic number, because the mean of its divisors is an integer number (10810800).

Almost surely, 2^144428572 is an apocalyptic number.

It is an amenable number.

144428572 is a deficient number, since it is larger than the sum of its proper divisors (115030628).

144428572 is a wasteful number, since it uses less digits than its factorization.

144428572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 144428572 is about 12017.8438998017. The cubic root of 144428572 is about 524.6677528954.

The spelling of 144428572 in words is "one hundred forty-four million, four hundred twenty-eight thousand, five hundred seventy-two".