144444652 has 12 divisors (see below), whose sum is σ = 275758056. Its totient is φ = 65656640.

The previous prime is 144444617. The next prime is 144444659. The reversal of 144444652 is 256444441.

It is a super-2 number, since 2×144444652² = 41728514982802208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144444659) 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, 1641373 + ... + 1641460.

It is an arithmetic number, because the mean of its divisors is an integer number (22979838).

Almost surely, 2^144444652 is an apocalyptic number.

It is an amenable number.

144444652 is a deficient number, since it is larger than the sum of its proper divisors (131313404).

144444652 is a wasteful number, since it uses less digits than its factorization.

144444652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282848 (or 3282846 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 144444652 is about 12018.5128863766. The cubic root of 144444652 is about 524.6872235220.

The spelling of 144444652 in words is "one hundred forty-four million, four hundred forty-four thousand, six hundred fifty-two".