45744137 has 2 divisors, whose sum is σ = 45744138. Its totient is φ = 45744136.

The previous prime is 45744121. The next prime is 45744169. The reversal of 45744137 is 73144754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44342281 + 1401856 = 6659^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 45744137 - 2⁴ = 45744121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45744097 and 45744106.

It is not a weakly prime, because it can be changed into another prime (45744197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22872068 + 22872069.

It is an arithmetic number, because the mean of its divisors is an integer number (22872069).

Almost surely, 2^45744137 is an apocalyptic number.

It is an amenable number.

45744137 is a deficient number, since it is larger than the sum of its proper divisors (1).

45744137 is an equidigital number, since it uses as much as digits as its factorization.

45744137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 35.

The square root of 45744137 is about 6763.4412099167. The cubic root of 45744137 is about 357.6392259328.

The spelling of 45744137 in words is "forty-five million, seven hundred forty-four thousand, one hundred thirty-seven".