144002025 has 18 divisors (see below), whose sum is σ = 257924030. Its totient is φ = 76800960.

The previous prime is 144002021. The next prime is 144002101. The reversal of 144002025 is 520200441.

144002025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 51322896 + 92679129 = 7164^2 + 9627^2 .

It is not a de Polignac number, because 144002025 - 2² = 144002021 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 144001989 and 144002007.

It is not an unprimeable number, because it can be changed into a prime (144002021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 319780 + ... + 320229.

Almost surely, 2^144002025 is an apocalyptic number.

144002025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144002025 is a deficient number, since it is larger than the sum of its proper divisors (113922005).

144002025 is a wasteful number, since it uses less digits than its factorization.

144002025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640025 (or 640017 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 144002025 is about 12000.0843747034. The cubic root of 144002025 is about 524.1507357753.

Adding to 144002025 its reverse (520200441), we get a palindrome (664202466).

It can be divided in two parts, 14400 and 2025, that multiplied together give a square (29160000 = 5400²).

The spelling of 144002025 in words is "one hundred forty-four million, two thousand, twenty-five".