45002149 has 2 divisors, whose sum is σ = 45002150. Its totient is φ = 45002148.

The previous prime is 45002147. The next prime is 45002183. The reversal of 45002149 is 94120054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39917124 + 5085025 = 6318^2 + 2255^2 .

It is a cyclic number.

It is not a de Polignac number, because 45002149 - 2¹ = 45002147 is a prime.

Together with 45002147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45002147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501074 + 22501075.

It is an arithmetic number, because the mean of its divisors is an integer number (22501075).

Almost surely, 2^45002149 is an apocalyptic number.

It is an amenable number.

45002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45002149 is an equidigital number, since it uses as much as digits as its factorization.

45002149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 45002149 is about 6708.3641075899. The cubic root of 45002149 is about 355.6949924061.

The spelling of 45002149 in words is "forty-five million, two thousand, one hundred forty-nine".