144747025 has 6 divisors (see below), whose sum is σ = 179486342. Its totient is φ = 115797600.

The previous prime is 144747023. The next prime is 144747067. The reversal of 144747025 is 520747441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 938961 + 143808064 = 969^2 + 11992^2 .

It is not a de Polignac number, because 144747025 - 2¹ = 144747023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144747023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2894916 + ... + 2894965.

Almost surely, 2^144747025 is an apocalyptic number.

It is an amenable number.

144747025 is a deficient number, since it is larger than the sum of its proper divisors (34739317).

144747025 is an equidigital number, since it uses as much as digits as its factorization.

144747025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789891 (or 5789886 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 144747025 is about 12031.0857781000. The cubic root of 144747025 is about 525.0530860908.

The spelling of 144747025 in words is "one hundred forty-four million, seven hundred forty-seven thousand, twenty-five".