45223530 has 64 divisors (see below), whose sum is σ = 121195008. Its totient is φ = 10704960.

The previous prime is 45223523. The next prime is 45223547. The reversal of 45223530 is 3532254.

It is a self number, because there is not a number n which added to its sum of digits gives 45223530.

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, 12597 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (1893672).

Almost surely, 2^45223530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45223530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60597504).

45223530 is an abundant number, since it is smaller than the sum of its proper divisors (75971478).

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

45223530 is a wasteful number, since it uses less digits than its factorization.

45223530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45223530 is about 6724.8442361143. The cubic root of 45223530 is about 356.2773004625.

Adding to 45223530 its reverse (3532254), we get a palindrome (48755784).

It can be divided in two parts, 45223 and 530, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 45223530 in words is "forty-five million, two hundred twenty-three thousand, five hundred thirty".