144345725 has 12 divisors (see below), whose sum is σ = 189518004. Its totient is φ = 108683520.

The previous prime is 144345701. The next prime is 144345727. The reversal of 144345725 is 527543441.

144345725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4656964 + 139688761 = 2158^2 + 11819^2 .

It is not a de Polignac number, because 144345725 - 2⁶ = 144345661 is a prime.

It is a super-3 number, since 3×144345725³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144345727) 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, 169394 + ... + 170243.

It is an arithmetic number, because the mean of its divisors is an integer number (15793167).

Almost surely, 2^144345725 is an apocalyptic number.

It is an amenable number.

144345725 is a deficient number, since it is larger than the sum of its proper divisors (45172279).

144345725 is a wasteful number, since it uses less digits than its factorization.

144345725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339664 (or 339659 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 144345725 is about 12014.3965724459. The cubic root of 144345725 is about 524.5674138776.

The spelling of 144345725 in words is "one hundred forty-four million, three hundred forty-five thousand, seven hundred twenty-five".