45022042 has 8 divisors (see below), whose sum is σ = 72727956. Its totient is φ = 20779392.

The previous prime is 45022037. The next prime is 45022049. The reversal of 45022042 is 24022054.

It can be written as a sum of positive squares in 2 ways, for example, as 39955041 + 5067001 = 6321^2 + 2251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45022049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865783 + ... + 865834.

Almost surely, 2^45022042 is an apocalyptic number.

45022042 is a deficient number, since it is larger than the sum of its proper divisors (27705914).

45022042 is a wasteful number, since it uses less digits than its factorization.

45022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731632.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 45022042 is about 6709.8466450434. The cubic root of 45022042 is about 355.7473958156.

Adding to 45022042 its reverse (24022054), we get a palindrome (69044096).

The spelling of 45022042 in words is "forty-five million, twenty-two thousand, forty-two".