45221452 has 6 divisors (see below), whose sum is σ = 79137548. Its totient is φ = 22610724.

The previous prime is 45221447. The next prime is 45221453. The reversal of 45221452 is 25412254.

It is not an unprimeable number, because it can be changed into a prime (45221453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652678 + ... + 5652685.

Almost surely, 2^45221452 is an apocalyptic number.

It is an amenable number.

45221452 is a deficient number, since it is larger than the sum of its proper divisors (33916096).

45221452 is a wasteful number, since it uses less digits than its factorization.

45221452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11305367 (or 11305365 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 45221452 is about 6724.6897326196. The cubic root of 45221452 is about 356.2718434539.

It can be divided in two parts, 452 and 21452, that added together give a square (21904 = 148²).

The spelling of 45221452 in words is "forty-five million, two hundred twenty-one thousand, four hundred fifty-two".