45252042 has 16 divisors (see below), whose sum is σ = 98731872. Its totient is φ = 13712720.

The previous prime is 45252041. The next prime is 45252047. The reversal of 45252042 is 24025254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45252041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342753 + ... + 342884.

It is an arithmetic number, because the mean of its divisors is an integer number (6170742).

Almost surely, 2^45252042 is an apocalyptic number.

45252042 is an abundant number, since it is smaller than the sum of its proper divisors (53479830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45252042 is a wasteful number, since it uses less digits than its factorization.

45252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685653.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45252042 is about 6726.9638024892. The cubic root of 45252042 is about 356.3521585753.

Adding to 45252042 its reverse (24025254), we get a palindrome (69277296).

The spelling of 45252042 in words is "forty-five million, two hundred fifty-two thousand, forty-two".