144567425 has 6 divisors (see below), whose sum is σ = 179263638. Its totient is φ = 115653920.

The previous prime is 144567421. The next prime is 144567433. The reversal of 144567425 is 524765441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 48664576 + 95902849 = 6976^2 + 9793^2 .

It is not a de Polignac number, because 144567425 - 2² = 144567421 is a prime.

It is a super-2 number, since 2×144567425² = 41799480742261250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144567421) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2891324 + ... + 2891373.

It is an arithmetic number, because the mean of its divisors is an integer number (29877273).

Almost surely, 2^144567425 is an apocalyptic number.

It is an amenable number.

144567425 is a deficient number, since it is larger than the sum of its proper divisors (34696213).

144567425 is an equidigital number, since it uses as much as digits as its factorization.

144567425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782707 (or 5782702 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 144567425 is about 12023.6194633729. The cubic root of 144567425 is about 524.8358368059.

The spelling of 144567425 in words is "one hundred forty-four million, five hundred sixty-seven thousand, four hundred twenty-five".