145605275 has 6 divisors (see below), whose sum is σ = 180550572. Its totient is φ = 116484200.

The previous prime is 145605263. The next prime is 145605311. The reversal of 145605275 is 572506541.

145605275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145605275 - 2²⁴ = 128828059 is a prime.

It is a super-2 number, since 2×145605275² = 42401792215651250, which contains 22 as substring.

It is a Duffinian number.

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, 2912081 + ... + 2912130.

It is an arithmetic number, because the mean of its divisors is an integer number (30091762).

Almost surely, 2^145605275 is an apocalyptic number.

145605275 is a deficient number, since it is larger than the sum of its proper divisors (34945297).

145605275 is an equidigital number, since it uses as much as digits as its factorization.

145605275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824221 (or 5824216 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 145605275 is about 12066.7010819030. The cubic root of 145605275 is about 526.0887759965.

The spelling of 145605275 in words is "one hundred forty-five million, six hundred five thousand, two hundred seventy-five".