145552563 has 12 divisors (see below), whose sum is σ = 226415280. Its totient is φ = 89570736.

The previous prime is 145552553. The next prime is 145552577. The reversal of 145552563 is 365255541.

145552563 is a `hidden beast` number, since 1 + 45 + 5 + 52 + 563 = 666.

It is not a de Polignac number, because 145552563 - 2⁹ = 145552051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145552553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621903 + ... + 622136.

It is an arithmetic number, because the mean of its divisors is an integer number (18867940).

Almost surely, 2^145552563 is an apocalyptic number.

145552563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145552563 is a deficient number, since it is larger than the sum of its proper divisors (80862717).

145552563 is a wasteful number, since it uses less digits than its factorization.

145552563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244058 (or 1244055 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 145552563 is about 12064.5166915215. The cubic root of 145552563 is about 526.0252834739.

The spelling of 145552563 in words is "one hundred forty-five million, five hundred fifty-two thousand, five hundred sixty-three".