4554961157 has 2 divisors, whose sum is σ = 4554961158. Its totient is φ = 4554961156.

The previous prime is 4554961153. The next prime is 4554961199. The reversal of 4554961157 is 7511694554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3181072801 + 1373888356 = 56401^2 + 37066^2 .

It is a cyclic number.

It is not a de Polignac number, because 4554961157 - 2² = 4554961153 is a prime.

It is a super-2 number, since 2×4554961157² = 41495342283557557298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4554961153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277480578 + 2277480579.

It is an arithmetic number, because the mean of its divisors is an integer number (2277480579).

Almost surely, 2^4554961157 is an apocalyptic number.

It is an amenable number.

4554961157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4554961157 is an equidigital number, since it uses as much as digits as its factorization.

4554961157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 47.

The square root of 4554961157 is about 67490.4523395717. The cubic root of 4554961157 is about 1657.6578423392.

The spelling of 4554961157 in words is "four billion, five hundred fifty-four million, nine hundred sixty-one thousand, one hundred fifty-seven".