45805537 has 2 divisors, whose sum is σ = 45805538. Its totient is φ = 45805536.

The previous prime is 45805517. The next prime is 45805547. The reversal of 45805537 is 73550854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39929761 + 5875776 = 6319^2 + 2424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45805537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45805496 and 45805505.

It is not a weakly prime, because it can be changed into another prime (45805517) 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, 22902768 + 22902769.

It is an arithmetic number, because the mean of its divisors is an integer number (22902769).

Almost surely, 2^45805537 is an apocalyptic number.

It is an amenable number.

45805537 is a deficient number, since it is larger than the sum of its proper divisors (1).

45805537 is an equidigital number, since it uses as much as digits as its factorization.

45805537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 45805537 is about 6767.9787972481. The cubic root of 45805537 is about 357.7991679669.

The spelling of 45805537 in words is "forty-five million, eight hundred five thousand, five hundred thirty-seven".