545626155 has 32 divisors (see below), whose sum is σ = 925162560. Its totient is φ = 274104320.

The previous prime is 545626153. The next prime is 545626157. The reversal of 545626155 is 551626545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (545626153) and next prime (545626157).

It is not a de Polignac number, because 545626155 - 2¹ = 545626153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545626153) 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 31 ways as a sum of consecutive naturals, for example, 2539 + ... + 33131.

It is an arithmetic number, because the mean of its divisors is an integer number (28911330).

Almost surely, 2^545626155 is an apocalyptic number.

545626155 is a deficient number, since it is larger than the sum of its proper divisors (379536405).

545626155 is a wasteful number, since it uses less digits than its factorization.

545626155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30671.

The product of its digits is 180000, while the sum is 39.

The square root of 545626155 is about 23358.6419767931. The cubic root of 545626155 is about 817.1436185675.

The spelling of 545626155 in words is "five hundred forty-five million, six hundred twenty-six thousand, one hundred fifty-five".