45537137 has 2 divisors, whose sum is σ = 45537138. Its totient is φ = 45537136.

The previous prime is 45537133. The next prime is 45537139. The reversal of 45537137 is 73173554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 3013696 = 6521^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 45537137 - 2² = 45537133 is a prime.

Together with 45537139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45537097 and 45537106.

It is not a weakly prime, because it can be changed into another prime (45537133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22768568 + 22768569.

It is an arithmetic number, because the mean of its divisors is an integer number (22768569).

Almost surely, 2^45537137 is an apocalyptic number.

It is an amenable number.

45537137 is a deficient number, since it is larger than the sum of its proper divisors (1).

45537137 is an equidigital number, since it uses as much as digits as its factorization.

45537137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 35.

The square root of 45537137 is about 6748.1209977297. The cubic root of 45537137 is about 357.0989507244.

The spelling of 45537137 in words is "forty-five million, five hundred thirty-seven thousand, one hundred thirty-seven".