545102237 has 2 divisors, whose sum is σ = 545102238. Its totient is φ = 545102236.

The previous prime is 545102221. The next prime is 545102249. The reversal of 545102237 is 732201545.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357247801 + 187854436 = 18901^2 + 13706^2 .

It is a cyclic number.

It is not a de Polignac number, because 545102237 - 2⁴ = 545102221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545105237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272551118 + 272551119.

It is an arithmetic number, because the mean of its divisors is an integer number (272551119).

Almost surely, 2^545102237 is an apocalyptic number.

It is an amenable number.

545102237 is a deficient number, since it is larger than the sum of its proper divisors (1).

545102237 is an equidigital number, since it uses as much as digits as its factorization.

545102237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 545102237 is about 23347.4246331367. The cubic root of 545102237 is about 816.8819904989.

The spelling of 545102237 in words is "five hundred forty-five million, one hundred two thousand, two hundred thirty-seven".