45748237 has 2 divisors, whose sum is σ = 45748238. Its totient is φ = 45748236.

The previous prime is 45748229. The next prime is 45748271. The reversal of 45748237 is 73284754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 3316041 = 6514^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 45748237 - 2³ = 45748229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45748237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45748837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22874118 + 22874119.

It is an arithmetic number, because the mean of its divisors is an integer number (22874119).

Almost surely, 2^45748237 is an apocalyptic number.

It is an amenable number.

45748237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45748237 is an equidigital number, since it uses as much as digits as its factorization.

45748237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 45748237 is about 6763.7443032687. The cubic root of 45748237 is about 357.6499105590.

The spelling of 45748237 in words is "forty-five million, seven hundred forty-eight thousand, two hundred thirty-seven".