45450002 has 16 divisors (see below), whose sum is σ = 74625432. Its totient is φ = 20632320.

The previous prime is 45449983. The next prime is 45450007. The reversal of 45450002 is 20005454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11215801 + 34234201 = 3349^2 + 5851^2 .

It is not an unprimeable number, because it can be changed into a prime (45450007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12743 + ... + 15914.

Almost surely, 2^45450002 is an apocalyptic number.

45450002 is a deficient number, since it is larger than the sum of its proper divisors (29175430).

45450002 is a wasteful number, since it uses less digits than its factorization.

45450002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28733.

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

The square root of 45450002 is about 6741.6616646047. The cubic root of 45450002 is about 356.8710364923.

Adding to 45450002 its reverse (20005454), we get a palindrome (65455456).

The spelling of 45450002 in words is "forty-five million, four hundred fifty thousand, two".