145645285 has 16 divisors (see below), whose sum is σ = 180840960. Its totient is φ = 112489920.

The previous prime is 145645277. The next prime is 145645301. The reversal of 145645285 is 582546541.

It is not a de Polignac number, because 145645285 - 2³ = 145645277 is a prime.

It is a congruent number.

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, 86431 + ... + 88099.

It is an arithmetic number, because the mean of its divisors is an integer number (11302560).

Almost surely, 2^145645285 is an apocalyptic number.

It is an amenable number.

145645285 is a deficient number, since it is larger than the sum of its proper divisors (35195675).

145645285 is a wasteful number, since it uses less digits than its factorization.

145645285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its digits is 192000, while the sum is 40.

The square root of 145645285 is about 12068.3588362296. The cubic root of 145645285 is about 526.1369585097.

The spelling of 145645285 in words is "one hundred forty-five million, six hundred forty-five thousand, two hundred eighty-five".