145444265 has 16 divisors (see below), whose sum is σ = 185515920. Its totient is φ = 109086720.

The previous prime is 145444217. The next prime is 145444289. The reversal of 145444265 is 562444541.

145444265 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 8 ways, for example, as 14295961 + 131148304 = 3781^2 + 11452^2 .

It is not a de Polignac number, because 145444265 - 2¹⁰ = 145443241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19685 + ... + 26045.

It is an arithmetic number, because the mean of its divisors is an integer number (11594745).

Almost surely, 2^145444265 is an apocalyptic number.

It is an amenable number.

145444265 is a deficient number, since it is larger than the sum of its proper divisors (40071655).

145444265 is a wasteful number, since it uses less digits than its factorization.

145444265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652.

The product of its digits is 76800, while the sum is 35.

The square root of 145444265 is about 12060.0275704494. The cubic root of 145444265 is about 525.8947885295.

The spelling of 145444265 in words is "one hundred forty-five million, four hundred forty-four thousand, two hundred sixty-five".