45252078 has 8 divisors (see below), whose sum is σ = 90504168. Its totient is φ = 15084024.

The previous prime is 45252071. The next prime is 45252083. The reversal of 45252078 is 87025254.

It is a sphenic number, since it is the product of 3 distinct primes.

45252078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45252071) 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 in 3 ways as a sum of consecutive naturals, for example, 3771001 + ... + 3771012.

It is an arithmetic number, because the mean of its divisors is an integer number (11313021).

Almost surely, 2^45252078 is an apocalyptic number.

45252078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45252078 is a wasteful number, since it uses less digits than its factorization.

45252078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542018.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45252078 is about 6726.9664782872. The cubic root of 45252078 is about 356.3522530732.

The spelling of 45252078 in words is "forty-five million, two hundred fifty-two thousand, seventy-eight".