45061637 has 2 divisors, whose sum is σ = 45061638. Its totient is φ = 45061636.

The previous prime is 45061591. The next prime is 45061651. The reversal of 45061637 is 73616054.

45061637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35414401 + 9647236 = 5951^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 45061637 - 2⁸ = 45061381 is a prime.

It is a super-2 number, since 2×45061637² = 4061102258239538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45061657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22530818 + 22530819.

It is an arithmetic number, because the mean of its divisors is an integer number (22530819).

Almost surely, 2^45061637 is an apocalyptic number.

It is an amenable number.

45061637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45061637 is an equidigital number, since it uses as much as digits as its factorization.

45061637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 45061637 is about 6712.7965111420. The cubic root of 45061637 is about 355.8516535690.

The spelling of 45061637 in words is "forty-five million, sixty-one thousand, six hundred thirty-seven".