45136237 has 2 divisors, whose sum is σ = 45136238. Its totient is φ = 45136236.

The previous prime is 45136213. The next prime is 45136249. The reversal of 45136237 is 73263154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 6869641 = 6186^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 45136237 - 2¹¹ = 45134189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45136199 and 45136208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45136277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22568118 + 22568119.

It is an arithmetic number, because the mean of its divisors is an integer number (22568119).

Almost surely, 2^45136237 is an apocalyptic number.

It is an amenable number.

45136237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45136237 is an equidigital number, since it uses as much as digits as its factorization.

45136237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 45136237 is about 6718.3507648827. The cubic root of 45136237 is about 356.0479173181.

The spelling of 45136237 in words is "forty-five million, one hundred thirty-six thousand, two hundred thirty-seven".