144087225 has 48 divisors (see below), whose sum is σ = 254507520. Its totient is φ = 71769600.

The previous prime is 144087197. The next prime is 144087259. The reversal of 144087225 is 522780441.

It is not a de Polignac number, because 144087225 - 2⁵ = 144087193 is a prime.

It is a super-2 number, since 2×144087225² = 41522256816401250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66357 + ... + 68493.

It is an arithmetic number, because the mean of its divisors is an integer number (5302240).

Almost surely, 2^144087225 is an apocalyptic number.

144087225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144087225 is a deficient number, since it is larger than the sum of its proper divisors (110420295).

144087225 is a wasteful number, since it uses less digits than its factorization.

144087225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 144087225 is about 12003.6338248049. The cubic root of 144087225 is about 524.2540881141.

The spelling of 144087225 in words is "one hundred forty-four million, eighty-seven thousand, two hundred twenty-five".