45027774 has 48 divisors (see below), whose sum is σ = 107961984. Its totient is φ = 13448400.

The previous prime is 45027743. The next prime is 45027803. The reversal of 45027774 is 47772054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12457 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (2249208).

Almost surely, 2^45027774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45027774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53980992).

45027774 is an abundant number, since it is smaller than the sum of its proper divisors (62934210).

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

45027774 is a wasteful number, since it uses less digits than its factorization.

45027774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 45027774 is about 6710.2737649071. The cubic root of 45027774 is about 355.7624925508.

It can be divided in two parts, 450 and 27774, that added together give a square (28224 = 168²).

The spelling of 45027774 in words is "forty-five million, twenty-seven thousand, seven hundred seventy-four".