45378452 has 24 divisors (see below), whose sum is σ = 91150080. Its totient is φ = 19363680.

The previous prime is 45378433. The next prime is 45378461. The reversal of 45378452 is 25487354.

It is a happy number.

45378452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3302 + ... + 10082.

It is an arithmetic number, because the mean of its divisors is an integer number (3797920).

Almost surely, 2^45378452 is an apocalyptic number.

It is an amenable number.

45378452 is an abundant number, since it is smaller than the sum of its proper divisors (45771628).

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

45378452 is a wasteful number, since it uses less digits than its factorization.

45378452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7029 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 45378452 is about 6736.3530192531. The cubic root of 45378452 is about 356.6836691849.

The spelling of 45378452 in words is "forty-five million, three hundred seventy-eight thousand, four hundred fifty-two".