45240322 has 4 divisors (see below), whose sum is σ = 67860486. Its totient is φ = 22620160.

The previous prime is 45240313. The next prime is 45240329. The reversal of 45240322 is 22304254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 22382361 = 4781^2 + 4731^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45240293 and 45240302.

It is not an unprimeable number, because it can be changed into a prime (45240329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310079 + ... + 11310082.

Almost surely, 2^45240322 is an apocalyptic number.

45240322 is a deficient number, since it is larger than the sum of its proper divisors (22620164).

45240322 is a wasteful number, since it uses less digits than its factorization.

45240322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22620163.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45240322 is about 6726.0926249941. The cubic root of 45240322 is about 356.3213915813.

Adding to 45240322 its reverse (22304254), we get a palindrome (67544576).

It can be divided in two parts, 4524032 and 2, that multiplied together give a square (9048064 = 3008²).

The spelling of 45240322 in words is "forty-five million, two hundred forty thousand, three hundred twenty-two".