144444435 has 16 divisors (see below), whose sum is σ = 236748960. Its totient is φ = 75157760.

The previous prime is 144444431. The next prime is 144444437. The reversal of 144444435 is 534444441.

It is not a de Polignac number, because 144444435 - 2² = 144444431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144444396 and 144444405.

It is not an unprimeable number, because it can be changed into a prime (144444431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116820 + ... + 118049.

It is an arithmetic number, because the mean of its divisors is an integer number (14796810).

Almost surely, 2^144444435 is an apocalyptic number.

144444435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144444435 is a deficient number, since it is larger than the sum of its proper divisors (92304525).

144444435 is a wasteful number, since it uses less digits than its factorization.

144444435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234918.

The product of its digits is 61440, while the sum is 33.

The square root of 144444435 is about 12018.5038586340. The cubic root of 144444435 is about 524.6869607750.

Adding to 144444435 its reverse (534444441), we get a palindrome (678888876).

The spelling of 144444435 in words is "one hundred forty-four million, four hundred forty-four thousand, four hundred thirty-five".