45102322 has 4 divisors (see below), whose sum is σ = 67653486. Its totient is φ = 22551160.

The previous prime is 45102307. The next prime is 45102349. The reversal of 45102322 is 22320154.

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., 43414921 + 1687401 = 6589^2 + 1299^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45102322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275579 + ... + 11275582.

Almost surely, 2^45102322 is an apocalyptic number.

45102322 is a deficient number, since it is larger than the sum of its proper divisors (22551164).

45102322 is a wasteful number, since it uses less digits than its factorization.

45102322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22551163.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45102322 is about 6715.8262336067. The cubic root of 45102322 is about 355.9587178070.

Adding to 45102322 its reverse (22320154), we get a palindrome (67422476).

The spelling of 45102322 in words is "forty-five million, one hundred two thousand, three hundred twenty-two".