144144025 has 12 divisors (see below), whose sum is σ = 180894672. Its totient is φ = 113924240.

The previous prime is 144144019. The next prime is 144144031. The reversal of 144144025 is 520441441.

It is an interprime number because it is at equal distance from previous prime (144144019) and next prime (144144031).

It is a de Polignac number, because none of the positive numbers 2^k-144144025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32659 + ... + 36808.

It is an arithmetic number, because the mean of its divisors is an integer number (15074556).

Almost surely, 2^144144025 is an apocalyptic number.

It is an amenable number.

144144025 is a deficient number, since it is larger than the sum of its proper divisors (36750647).

144144025 is an equidigital number, since it uses as much as digits as its factorization.

144144025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69560 (or 69555 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 144144025 is about 12005.9995418957. Note that the first 3 decimals coincide. The cubic root of 144144025 is about 524.3229670408.

Adding to 144144025 its reverse (520441441), we get a palindrome (664585466).

The spelling of 144144025 in words is "one hundred forty-four million, one hundred forty-four thousand, twenty-five".