144201025 has 12 divisors (see below), whose sum is σ = 183643132. Its totient is φ = 112242240.

The previous prime is 144201023. The next prime is 144201041. The reversal of 144201025 is 520102441.

It can be written as a sum of positive squares in 6 ways, for example, as 20034576 + 124166449 = 4476^2 + 11143^2 .

It is not a de Polignac number, because 144201025 - 2¹ = 144201023 is a prime.

It is a super-2 number, since 2×144201025² = 41587871222101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144200993 and 144201011.

It is not an unprimeable number, because it can be changed into a prime (144201023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77022 + ... + 78871.

Almost surely, 2^144201025 is an apocalyptic number.

It is an amenable number.

144201025 is a deficient number, since it is larger than the sum of its proper divisors (39442107).

144201025 is a wasteful number, since it uses less digits than its factorization.

144201025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155940 (or 155935 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 144201025 is about 12008.3731204522. The cubic root of 144201025 is about 524.3920703111.

Adding to 144201025 its reverse (520102441), we get a palindrome (664303466).

The spelling of 144201025 in words is "one hundred forty-four million, two hundred one thousand, twenty-five".