45455437 has 2 divisors, whose sum is σ = 45455438. Its totient is φ = 45455436.

The previous prime is 45455401. The next prime is 45455447. The reversal of 45455437 is 73455454.

45455437 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., 42237001 + 3218436 = 6499^2 + 1794^2 .

It is a cyclic number.

It is not a de Polignac number, because 45455437 - 2¹¹ = 45453389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45455396 and 45455405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45455447) 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, 22727718 + 22727719.

It is an arithmetic number, because the mean of its divisors is an integer number (22727719).

Almost surely, 2^45455437 is an apocalyptic number.

It is an amenable number.

45455437 is a deficient number, since it is larger than the sum of its proper divisors (1).

45455437 is an equidigital number, since it uses as much as digits as its factorization.

45455437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 37.

The square root of 45455437 is about 6742.0647430887. The cubic root of 45455437 is about 356.8852610371.

The spelling of 45455437 in words is "forty-five million, four hundred fifty-five thousand, four hundred thirty-seven".