146551563 has 12 divisors (see below), whose sum is σ = 211961568. Its totient is φ = 97573680.

The previous prime is 146551513. The next prime is 146551571. The reversal of 146551563 is 365155641.

146551563 is a `hidden beast` number, since 1 + 46 + 5 + 51 + 563 = 666.

It is not a de Polignac number, because 146551563 - 2¹⁶ = 146486027 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (146551513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3043 + ... + 17388.

It is an arithmetic number, because the mean of its divisors is an integer number (17663464).

Almost surely, 2^146551563 is an apocalyptic number.

146551563 is a deficient number, since it is larger than the sum of its proper divisors (65410005).

146551563 is a wasteful number, since it uses less digits than its factorization.

146551563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234 (or 21231 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 146551563 is about 12105.8482974139. The cubic root of 146551563 is about 527.2259987712.

The spelling of 146551563 in words is "one hundred forty-six million, five hundred fifty-one thousand, five hundred sixty-three".