45278533 has 8 divisors (see below), whose sum is σ = 46434752. Its totient is φ = 44136576.

The previous prime is 45278521. The next prime is 45278537. The reversal of 45278533 is 33587254.

45278533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45278533 - 2²¹ = 43181381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45278492 and 45278501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278537) 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, 3016 + ... + 9982.

It is an arithmetic number, because the mean of its divisors is an integer number (5804344).

Almost surely, 2^45278533 is an apocalyptic number.

It is an amenable number.

45278533 is a deficient number, since it is larger than the sum of its proper divisors (1156219).

45278533 is an equidigital number, since it uses as much as digits as its factorization.

45278533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131.

The product of its digits is 100800, while the sum is 37.

The square root of 45278533 is about 6728.9325304984. The cubic root of 45278533 is about 356.4216823883.

The spelling of 45278533 in words is "forty-five million, two hundred seventy-eight thousand, five hundred thirty-three".