45751637 has 2 divisors, whose sum is σ = 45751638. Its totient is φ = 45751636.

The previous prime is 45751631. The next prime is 45751649. The reversal of 45751637 is 73615754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38056561 + 7695076 = 6169^2 + 2774^2 .

It is a cyclic number.

It is not a de Polignac number, because 45751637 - 2⁴ = 45751621 is a prime.

It is equal to p_2760995 and since 45751637 and 2760995 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45751637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45751631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22875818 + 22875819.

It is an arithmetic number, because the mean of its divisors is an integer number (22875819).

Almost surely, 2^45751637 is an apocalyptic number.

It is an amenable number.

45751637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45751637 is an equidigital number, since it uses as much as digits as its factorization.

45751637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 38.

The square root of 45751637 is about 6763.9956386739. The cubic root of 45751637 is about 357.6587704966.

The spelling of 45751637 in words is "forty-five million, seven hundred fifty-one thousand, six hundred thirty-seven".