545223310155 has 24 divisors (see below), whose sum is σ = 945376840512. Its totient is φ = 290686349184.

The previous prime is 545223310141. The next prime is 545223310169. The reversal of 545223310155 is 551013322545.

545223310155 is a `hidden beast` number, since 5 + 452 + 23 + 31 + 0 + 155 = 666.

It is an interprime number because it is at equal distance from previous prime (545223310141) and next prime (545223310169).

It is not a de Polignac number, because 545223310155 - 2⁴ = 545223310139 is a prime.

It is a super-2 number, since 2×545223310155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937994 + ... + 2201423.

It is an arithmetic number, because the mean of its divisors is an integer number (39390701688).

Almost surely, 2^545223310155 is an apocalyptic number.

545223310155 is a deficient number, since it is larger than the sum of its proper divisors (400153530357).

545223310155 is a wasteful number, since it uses less digits than its factorization.

545223310155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142355 (or 4142352 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 545223310155 in words is "five hundred forty-five billion, two hundred twenty-three million, three hundred ten thousand, one hundred fifty-five".