45278526 has 8 divisors (see below), whose sum is σ = 90557064. Its totient is φ = 15092840.

The previous prime is 45278521. The next prime is 45278537. The reversal of 45278526 is 62587254.

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

45278526 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773205 + ... + 3773216.

It is an arithmetic number, because the mean of its divisors is an integer number (11319633).

Almost surely, 2^45278526 is an apocalyptic number.

45278526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45278526 is a wasteful number, since it uses less digits than its factorization.

45278526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546426.

The product of its digits is 134400, while the sum is 39.

The square root of 45278526 is about 6728.9320103565. The cubic root of 45278526 is about 356.4216640209.

The spelling of 45278526 in words is "forty-five million, two hundred seventy-eight thousand, five hundred twenty-six".