145093225 has 6 divisors (see below), whose sum is σ = 179915630. Its totient is φ = 116074560.

The previous prime is 145093211. The next prime is 145093241. The reversal of 145093225 is 522390541.

145093225 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 3 ways, for example, as 23299929 + 121793296 = 4827^2 + 11036^2 .

It is not a de Polignac number, because 145093225 - 2¹³ = 145085033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2901840 + ... + 2901889.

Almost surely, 2^145093225 is an apocalyptic number.

It is an amenable number.

145093225 is a deficient number, since it is larger than the sum of its proper divisors (34822405).

145093225 is an equidigital number, since it uses as much as digits as its factorization.

145093225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803739 (or 5803734 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 145093225 is about 12045.4649142322. The cubic root of 145093225 is about 525.4713529516.

The spelling of 145093225 in words is "one hundred forty-five million, ninety-three thousand, two hundred twenty-five".