45386437 has 2 divisors, whose sum is σ = 45386438. Its totient is φ = 45386436.

The previous prime is 45386381. The next prime is 45386461. The reversal of 45386437 is 73468354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 5013121 = 6354^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 45386437 - 2¹⁹ = 44862149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45386437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45386137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22693218 + 22693219.

It is an arithmetic number, because the mean of its divisors is an integer number (22693219).

Almost surely, 2^45386437 is an apocalyptic number.

It is an amenable number.

45386437 is a deficient number, since it is larger than the sum of its proper divisors (1).

45386437 is an equidigital number, since it uses as much as digits as its factorization.

45386437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 45386437 is about 6736.9456729292. The cubic root of 45386437 is about 356.7045891879.

The spelling of 45386437 in words is "forty-five million, three hundred eighty-six thousand, four hundred thirty-seven".