45705637 has 2 divisors, whose sum is σ = 45705638. Its totient is φ = 45705636.

The previous prime is 45705629. The next prime is 45705661. The reversal of 45705637 is 73650754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 1602756 = 6641^2 + 1266^2 .

It is a cyclic number.

It is not a de Polignac number, because 45705637 - 2³ = 45705629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45705596 and 45705605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45705617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22852818 + 22852819.

It is an arithmetic number, because the mean of its divisors is an integer number (22852819).

Almost surely, 2^45705637 is an apocalyptic number.

It is an amenable number.

45705637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45705637 is an equidigital number, since it uses as much as digits as its factorization.

45705637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 45705637 is about 6760.5944265279. The cubic root of 45705637 is about 357.5388635273.

The spelling of 45705637 in words is "forty-five million, seven hundred five thousand, six hundred thirty-seven".