45378603 has 8 divisors (see below), whose sum is σ = 67227600. Its totient is φ = 30252384.

The previous prime is 45378601. The next prime is 45378623. The reversal of 45378603 is 30687354.

It is a happy number.

45378603 is a `hidden beast` number, since 45 + 3 + 7 + 8 + 603 = 666.

45378603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45378603 - 2¹ = 45378601 is a prime.

It is a super-3 number, since 3×45378603³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (45378601) 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 in 7 ways as a sum of consecutive naturals, for example, 840318 + ... + 840371.

It is an arithmetic number, because the mean of its divisors is an integer number (8403450).

Almost surely, 2^45378603 is an apocalyptic number.

45378603 is a deficient number, since it is larger than the sum of its proper divisors (21848997).

45378603 is a wasteful number, since it uses less digits than its factorization.

45378603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680698 (or 1680692 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 45378603 is about 6736.3642270887. The cubic root of 45378603 is about 356.6840648145.

The spelling of 45378603 in words is "forty-five million, three hundred seventy-eight thousand, six hundred three".