45311537 has 2 divisors, whose sum is σ = 45311538. Its totient is φ = 45311536.

The previous prime is 45311533. The next prime is 45311549. The reversal of 45311537 is 73511354.

45311537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43771456 + 1540081 = 6616^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 45311537 - 2² = 45311533 is a prime.

It is not a weakly prime, because it can be changed into another prime (45311533) 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, 22655768 + 22655769.

It is an arithmetic number, because the mean of its divisors is an integer number (22655769).

Almost surely, 2^45311537 is an apocalyptic number.

It is an amenable number.

45311537 is a deficient number, since it is larger than the sum of its proper divisors (1).

45311537 is an equidigital number, since it uses as much as digits as its factorization.

45311537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 29.

The square root of 45311537 is about 6731.3844786938. The cubic root of 45311537 is about 356.5082611961.

The spelling of 45311537 in words is "forty-five million, three hundred eleven thousand, five hundred thirty-seven".