45302273 has 2 divisors, whose sum is σ = 45302274. Its totient is φ = 45302272.

The previous prime is 45302261. The next prime is 45302281. The reversal of 45302273 is 37220354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 11336689 = 5828^2 + 3367^2 .

It is a cyclic number.

It is not a de Polignac number, because 45302273 - 2⁸ = 45302017 is a prime.

It is not a weakly prime, because it can be changed into another prime (45382273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22651136 + 22651137.

It is an arithmetic number, because the mean of its divisors is an integer number (22651137).

Almost surely, 2^45302273 is an apocalyptic number.

It is an amenable number.

45302273 is a deficient number, since it is larger than the sum of its proper divisors (1).

45302273 is an equidigital number, since it uses as much as digits as its factorization.

45302273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 45302273 is about 6730.6963235612. The cubic root of 45302273 is about 356.4839633546.

The spelling of 45302273 in words is "forty-five million, three hundred two thousand, two hundred seventy-three".