45290857 has 2 divisors, whose sum is σ = 45290858. Its totient is φ = 45290856.

The previous prime is 45290831. The next prime is 45290863. The reversal of 45290857 is 75809254.

45290857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28611801 + 16679056 = 5349^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 45290857 - 2¹¹ = 45288809 is a prime.

It is a super-3 number, since 3×45290857³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (45290807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22645428 + 22645429.

It is an arithmetic number, because the mean of its divisors is an integer number (22645429).

Almost surely, 2^45290857 is an apocalyptic number.

It is an amenable number.

45290857 is a deficient number, since it is larger than the sum of its proper divisors (1).

45290857 is an equidigital number, since it uses as much as digits as its factorization.

45290857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 45290857 is about 6729.8482152274. The cubic root of 45290857 is about 356.4540166393.

The spelling of 45290857 in words is "forty-five million, two hundred ninety thousand, eight hundred fifty-seven".