45667637 has 2 divisors, whose sum is σ = 45667638. Its totient is φ = 45667636.

The previous prime is 45667631. The next prime is 45667649. The reversal of 45667637 is 73676654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23755876 + 21911761 = 4874^2 + 4681^2 .

It is a cyclic number.

It is not a de Polignac number, because 45667637 - 2¹⁴ = 45651253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45667631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22833818 + 22833819.

It is an arithmetic number, because the mean of its divisors is an integer number (22833819).

Almost surely, 2^45667637 is an apocalyptic number.

It is an amenable number.

45667637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45667637 is an equidigital number, since it uses as much as digits as its factorization.

45667637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 44.

The square root of 45667637 is about 6757.7834383768. The cubic root of 45667637 is about 357.4397492477.

The spelling of 45667637 in words is "forty-five million, six hundred sixty-seven thousand, six hundred thirty-seven".