45278582 has 16 divisors (see below), whose sum is σ = 75040992. Its totient is φ = 20380800.

The previous prime is 45278561. The next prime is 45278593. The reversal of 45278582 is 28587254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28169 + ... + 29732.

It is an arithmetic number, because the mean of its divisors is an integer number (4690062).

Almost surely, 2^45278582 is an apocalyptic number.

45278582 is a deficient number, since it is larger than the sum of its proper divisors (29762410).

45278582 is a wasteful number, since it uses less digits than its factorization.

45278582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57943.

The product of its digits is 179200, while the sum is 41.

The square root of 45278582 is about 6728.9361714910. The cubic root of 45278582 is about 356.4218109603.

The spelling of 45278582 in words is "forty-five million, two hundred seventy-eight thousand, five hundred eighty-two".