45242657 has 2 divisors, whose sum is σ = 45242658. Its totient is φ = 45242656.

The previous prime is 45242653. The next prime is 45242677. The reversal of 45242657 is 75624254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 633616 = 6679^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 45242657 - 2² = 45242653 is a prime.

It is not a weakly prime, because it can be changed into another prime (45242653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621328 + 22621329.

It is an arithmetic number, because the mean of its divisors is an integer number (22621329).

Almost surely, 2^45242657 is an apocalyptic number.

It is an amenable number.

45242657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45242657 is an equidigital number, since it uses as much as digits as its factorization.

45242657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 35.

The square root of 45242657 is about 6726.2662005008. The cubic root of 45242657 is about 356.3275217774.

The spelling of 45242657 in words is "forty-five million, two hundred forty-two thousand, six hundred fifty-seven".