45028270 has 48 divisors (see below), whose sum is σ = 94822560. Its totient is φ = 15080832.

The previous prime is 45028259. The next prime is 45028279. The reversal of 45028270 is 7282054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45028279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196516 + ... + 196744.

It is an arithmetic number, because the mean of its divisors is an integer number (1975470).

Almost surely, 2^45028270 is an apocalyptic number.

45028270 is an abundant number, since it is smaller than the sum of its proper divisors (49794290).

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

45028270 is a wasteful number, since it uses less digits than its factorization.

45028270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 45028270 is about 6710.3107230590. The cubic root of 45028270 is about 355.7637988375.

The spelling of 45028270 in words is "forty-five million, twenty-eight thousand, two hundred seventy".