149305563 has 24 divisors (see below), whose sum is σ = 235652976. Its totient is φ = 90340800.

The previous prime is 149305561. The next prime is 149305571. The reversal of 149305563 is 365503941.

149305563 is a `hidden beast` number, since 1 + 4 + 93 + 0 + 5 + 563 = 666.

It is not a de Polignac number, because 149305563 - 2¹ = 149305561 is a prime.

It is a super-2 number, since 2×149305563² = 44584302285493938, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (149305561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116281 + ... + 117557.

It is an arithmetic number, because the mean of its divisors is an integer number (9818874).

Almost surely, 2^149305563 is an apocalyptic number.

149305563 is a deficient number, since it is larger than the sum of its proper divisors (86347413).

149305563 is a wasteful number, since it uses less digits than its factorization.

149305563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 149305563 is about 12219.0655534701. The cubic root of 149305563 is about 530.5080721852.

The spelling of 149305563 in words is "one hundred forty-nine million, three hundred five thousand, five hundred sixty-three".