45005042 has 8 divisors (see below), whose sum is σ = 69835500. Its totient is φ = 21726544.

The previous prime is 45005041. The next prime is 45005083. The reversal of 45005042 is 24050054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43414921 + 1590121 = 6589^2 + 1261^2 .

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 (45005041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387917 + ... + 388032.

Almost surely, 2^45005042 is an apocalyptic number.

45005042 is a deficient number, since it is larger than the sum of its proper divisors (24830458).

45005042 is a wasteful number, since it uses less digits than its factorization.

45005042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775980.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 45005042 is about 6708.5797304646. The cubic root of 45005042 is about 355.7026142907.

Adding to 45005042 its reverse (24050054), we get a palindrome (69055096).

The spelling of 45005042 in words is "forty-five million, five thousand, forty-two".