45002549 has 2 divisors, whose sum is σ = 45002550. Its totient is φ = 45002548.

The previous prime is 45002539. The next prime is 45002557. The reversal of 45002549 is 94520054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 14554225 = 5518^2 + 3815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45002549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45002539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501274 + 22501275.

It is an arithmetic number, because the mean of its divisors is an integer number (22501275).

Almost surely, 2^45002549 is an apocalyptic number.

It is an amenable number.

45002549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45002549 is an equidigital number, since it uses as much as digits as its factorization.

45002549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45002549 is about 6708.3939210514. The cubic root of 45002549 is about 355.6960462637.

The spelling of 45002549 in words is "forty-five million, two thousand, five hundred forty-nine".