144203825 has 12 divisors (see below), whose sum is σ = 188224560. Its totient is φ = 109290960.

The previous prime is 144203821. The next prime is 144203827. The reversal of 144203825 is 528302441.

It is a happy number.

It is not a de Polignac number, because 144203825 - 2² = 144203821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144203821) 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, 151319 + ... + 152268.

It is an arithmetic number, because the mean of its divisors is an integer number (15685380).

Almost surely, 2^144203825 is an apocalyptic number.

It is an amenable number.

144203825 is a deficient number, since it is larger than the sum of its proper divisors (44020735).

144203825 is a wasteful number, since it uses less digits than its factorization.

144203825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303616 (or 303611 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 144203825 is about 12008.4897052044. The cubic root of 144203825 is about 524.3954643885.

The spelling of 144203825 in words is "one hundred forty-four million, two hundred three thousand, eight hundred twenty-five".