545574155 has 16 divisors (see below), whose sum is σ = 749625024. Its totient is φ = 373403520.

The previous prime is 545574131. The next prime is 545574157. The reversal of 545574155 is 551475545.

It is not a de Polignac number, because 545574155 - 2⁶ = 545574091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545574157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4529 + ... + 33341.

It is an arithmetic number, because the mean of its divisors is an integer number (46851564).

Almost surely, 2^545574155 is an apocalyptic number.

545574155 is a deficient number, since it is larger than the sum of its proper divisors (204050869).

545574155 is a wasteful number, since it uses less digits than its factorization.

545574155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29366.

The product of its digits is 350000, while the sum is 41.

The square root of 545574155 is about 23357.5288718648. The cubic root of 545574155 is about 817.1176589016.

The spelling of 545574155 in words is "five hundred forty-five million, five hundred seventy-four thousand, one hundred fifty-five".