45225157 has 2 divisors, whose sum is σ = 45225158. Its totient is φ = 45225156.

The previous prime is 45225133. The next prime is 45225161. The reversal of 45225157 is 75152254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33942276 + 11282881 = 5826^2 + 3359^2 .

It is a cyclic number.

It is not a de Polignac number, because 45225157 - 2⁷ = 45225029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45225197) 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, 22612578 + 22612579.

It is an arithmetic number, because the mean of its divisors is an integer number (22612579).

Almost surely, 2^45225157 is an apocalyptic number.

It is an amenable number.

45225157 is a deficient number, since it is larger than the sum of its proper divisors (1).

45225157 is an equidigital number, since it uses as much as digits as its factorization.

45225157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14000, while the sum is 31.

The square root of 45225157 is about 6724.9652043709. The cubic root of 45225157 is about 356.2815729892.

The spelling of 45225157 in words is "forty-five million, two hundred twenty-five thousand, one hundred fifty-seven".