45278355 has 16 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 23586528.

The previous prime is 45278351. The next prime is 45278369. The reversal of 45278355 is 55387254.

45278355 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 45278355 - 2² = 45278351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45278351) 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 15 ways as a sum of consecutive naturals, for example, 34455 + ... + 35744.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^45278355 is an apocalyptic number.

45278355 is a deficient number, since it is larger than the sum of its proper divisors (28852845).

45278355 is a wasteful number, since it uses less digits than its factorization.

45278355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70250.

The product of its digits is 168000, while the sum is 39.

The square root of 45278355 is about 6728.9193040190. The cubic root of 45278355 is about 356.4212153300.

The spelling of 45278355 in words is "forty-five million, two hundred seventy-eight thousand, three hundred fifty-five".