45851137 has 2 divisors, whose sum is σ = 45851138. Its totient is φ = 45851136.

The previous prime is 45851131. The next prime is 45851149. The reversal of 45851137 is 73115854.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25816561 + 20034576 = 5081^2 + 4476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45851137 is a prime.

It is not a weakly prime, because it can be changed into another prime (45851131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22925568 + 22925569.

It is an arithmetic number, because the mean of its divisors is an integer number (22925569).

Almost surely, 2^45851137 is an apocalyptic number.

It is an amenable number.

45851137 is a deficient number, since it is larger than the sum of its proper divisors (1).

45851137 is an equidigital number, since it uses as much as digits as its factorization.

45851137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 45851137 is about 6771.3467641231. The cubic root of 45851137 is about 357.9178598105.

The spelling of 45851137 in words is "forty-five million, eight hundred fifty-one thousand, one hundred thirty-seven".