4155255243 has 24 divisors (see below), whose sum is σ = 6381522576. Its totient is φ = 2596377600.

The previous prime is 4155255197. The next prime is 4155255257. The reversal of 4155255243 is 3425525514.

4155255243 is a `hidden beast` number, since 4 + 15 + 52 + 552 + 43 = 666.

It is not a de Polignac number, because 4155255243 - 2¹² = 4155251147 is a prime.

It is a super-2 number, since 2×4155255243² = 34532292268957978098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4155255198 and 4155255207.

It is not an unprimeable number, because it can be changed into a prime (4155250243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19473 + ... + 93218.

It is an arithmetic number, because the mean of its divisors is an integer number (265896774).

Almost surely, 2^4155255243 is an apocalyptic number.

4155255243 is a deficient number, since it is larger than the sum of its proper divisors (2226267333).

4155255243 is a wasteful number, since it uses less digits than its factorization.

4155255243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112955 (or 112952 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 4155255243 is about 64461.2693250761. The cubic root of 4155255243 is about 1607.6786167597.

The spelling of 4155255243 in words is "four billion, one hundred fifty-five million, two hundred fifty-five thousand, two hundred forty-three".