145653275 has 24 divisors (see below), whose sum is σ = 189054864. Its totient is φ = 111196800.

The previous prime is 145653269. The next prime is 145653289. The reversal of 145653275 is 572356541.

It is a happy number.

It is not a de Polignac number, because 145653275 - 2¹⁰ = 145652251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47540 + ... + 50510.

It is an arithmetic number, because the mean of its divisors is an integer number (7877286).

Almost surely, 2^145653275 is an apocalyptic number.

145653275 is a deficient number, since it is larger than the sum of its proper divisors (43401589).

145653275 is a wasteful number, since it uses less digits than its factorization.

145653275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3066 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 145653275 is about 12068.6898626156. The cubic root of 145653275 is about 526.1465795041.

The spelling of 145653275 in words is "one hundred forty-five million, six hundred fifty-three thousand, two hundred seventy-five".