145663852 has 12 divisors (see below), whose sum is σ = 259091056. Its totient is φ = 71637840.

The previous prime is 145663841. The next prime is 145663873. The reversal of 145663852 is 258366541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298248 + ... + 298735.

Almost surely, 2^145663852 is an apocalyptic number.

It is an amenable number.

145663852 is a deficient number, since it is larger than the sum of its proper divisors (113427204).

145663852 is a wasteful number, since it uses less digits than its factorization.

145663852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597048 (or 597046 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 145663852 is about 12069.1280546691. The cubic root of 145663852 is about 526.1593150403.

The spelling of 145663852 in words is "one hundred forty-five million, six hundred sixty-three thousand, eight hundred fifty-two".