45378527 has 2 divisors, whose sum is σ = 45378528. Its totient is φ = 45378526.

The previous prime is 45378521. The next prime is 45378577. The reversal of 45378527 is 72587354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45378527 - 2⁴ = 45378511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45378521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22689263 + 22689264.

It is an arithmetic number, because the mean of its divisors is an integer number (22689264).

Almost surely, 2^45378527 is an apocalyptic number.

45378527 is a deficient number, since it is larger than the sum of its proper divisors (1).

45378527 is an equidigital number, since it uses as much as digits as its factorization.

45378527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 45378527 is about 6736.3585860612. The cubic root of 45378527 is about 356.6838656898.

The spelling of 45378527 in words is "forty-five million, three hundred seventy-eight thousand, five hundred twenty-seven".