45981737 has 2 divisors, whose sum is σ = 45981738. Its totient is φ = 45981736.

The previous prime is 45981703. The next prime is 45981757. The reversal of 45981737 is 73718954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45954841 + 26896 = 6779^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 45981737 - 2¹⁰ = 45980713 is a prime.

It is a super-2 number, since 2×45981737² = 4228640275074338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45981757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22990868 + 22990869.

It is an arithmetic number, because the mean of its divisors is an integer number (22990869).

Almost surely, 2^45981737 is an apocalyptic number.

It is an amenable number.

45981737 is a deficient number, since it is larger than the sum of its proper divisors (1).

45981737 is an equidigital number, since it uses as much as digits as its factorization.

45981737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 45981737 is about 6780.9834832419. The cubic root of 45981737 is about 358.2573625616.

The spelling of 45981737 in words is "forty-five million, nine hundred eighty-one thousand, seven hundred thirty-seven".