4545023502 has 16 divisors (see below), whose sum is σ = 9239064912. Its totient is φ = 1490171520.

The previous prime is 4545023489. The next prime is 4545023507. The reversal of 4545023502 is 2053205454.

It is a self number, because there is not a number n which added to its sum of digits gives 4545023502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545023507) 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 7 ways as a sum of consecutive naturals, for example, 6208683 + ... + 6209414.

It is an arithmetic number, because the mean of its divisors is an integer number (577441557).

Almost surely, 2^4545023502 is an apocalyptic number.

4545023502 is an abundant number, since it is smaller than the sum of its proper divisors (4694041410).

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

4545023502 is a wasteful number, since it uses less digits than its factorization.

4545023502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12418163.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 4545023502 is about 67416.7894667196. The cubic root of 4545023502 is about 1656.4514488620.

Adding to 4545023502 its reverse (2053205454), we get a palindrome (6598228956).

The spelling of 4545023502 in words is "four billion, five hundred forty-five million, twenty-three thousand, five hundred two".