45356778 has 24 divisors (see below), whose sum is σ = 98560800. Its totient is φ = 15074664.

The previous prime is 45356767. The next prime is 45356807. The reversal of 45356778 is 87765354.

45356778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 2953 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (4106700).

Almost surely, 2^45356778 is an apocalyptic number.

45356778 is an abundant number, since it is smaller than the sum of its proper divisors (53204022).

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

45356778 is a wasteful number, since it uses less digits than its factorization.

45356778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386 (or 7383 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 45356778 is about 6734.7440931338. The cubic root of 45356778 is about 356.6268728228.

The spelling of 45356778 in words is "forty-five million, three hundred fifty-six thousand, seven hundred seventy-eight".