45227140 has 96 divisors (see below), whose sum is σ = 118831104. Its totient is φ = 14100480.

The previous prime is 45227137. The next prime is 45227159. The reversal of 45227140 is 4172254.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73474 + ... + 74086.

It is an arithmetic number, because the mean of its divisors is an integer number (1237824).

Almost surely, 2^45227140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45227140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59415552).

45227140 is an abundant number, since it is smaller than the sum of its proper divisors (73603964).

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

45227140 is a wasteful number, since it uses less digits than its factorization.

45227140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45227140 is about 6725.1126384619. The cubic root of 45227140 is about 356.2867802387.

Adding to 45227140 its reverse (4172254), we get a palindrome (49399394).

The spelling of 45227140 in words is "forty-five million, two hundred twenty-seven thousand, one hundred forty".