155364563 has 16 divisors (see below), whose sum is σ = 167325696. Its totient is φ = 143906400.

The previous prime is 155364551. The next prime is 155364569. The reversal of 155364563 is 365463551.

It is not a de Polignac number, because 155364563 - 2¹⁰ = 155363539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155364569) 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 15 ways as a sum of consecutive naturals, for example, 108470 + ... + 109892.

It is an arithmetic number, because the mean of its divisors is an integer number (10457856).

Almost surely, 2^155364563 is an apocalyptic number.

155364563 is a deficient number, since it is larger than the sum of its proper divisors (11961133).

155364563 is a wasteful number, since it uses less digits than its factorization.

155364563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its digits is 162000, while the sum is 38.

The square root of 155364563 is about 12464.5322014105. The cubic root of 155364563 is about 537.5893493434.

The spelling of 155364563 in words is "one hundred fifty-five million, three hundred sixty-four thousand, five hundred sixty-three".