45748993 has 2 divisors, whose sum is σ = 45748994. Its totient is φ = 45748992.

The previous prime is 45748991. The next prime is 45749003. The reversal of 45748993 is 39984754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29289744 + 16459249 = 5412^2 + 4057^2 .

It is a cyclic number.

It is not a de Polignac number, because 45748993 - 2¹ = 45748991 is a prime.

Together with 45748991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45748991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22874496 + 22874497.

It is an arithmetic number, because the mean of its divisors is an integer number (22874497).

Almost surely, 2^45748993 is an apocalyptic number.

It is an amenable number.

45748993 is a deficient number, since it is larger than the sum of its proper divisors (1).

45748993 is an equidigital number, since it uses as much as digits as its factorization.

45748993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 45748993 is about 6763.8001892427. The cubic root of 45748993 is about 357.6518806301.

The spelling of 45748993 in words is "forty-five million, seven hundred forty-eight thousand, nine hundred ninety-three".