4145255533 has 2 divisors, whose sum is σ = 4145255534. Its totient is φ = 4145255532.

The previous prime is 4145255509. The next prime is 4145255567. The reversal of 4145255533 is 3355525414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2389058884 + 1756196649 = 48878^2 + 41907^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145255533 - 2¹³ = 4145247341 is a prime.

It is a super-2 number, since 2×4145255533² = 34366286867734228178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4145255492 and 4145255501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145255033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072627766 + 2072627767.

It is an arithmetic number, because the mean of its divisors is an integer number (2072627767).

Almost surely, 2^4145255533 is an apocalyptic number.

It is an amenable number.

4145255533 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145255533 is an equidigital number, since it uses as much as digits as its factorization.

4145255533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 37.

The square root of 4145255533 is about 64383.6588972699. The cubic root of 4145255533 is about 1606.3879432815.

The spelling of 4145255533 in words is "four billion, one hundred forty-five million, two hundred fifty-five thousand, five hundred thirty-three".