4245505045 has 4 divisors (see below), whose sum is σ = 5094606060. Its totient is φ = 3396404032.

The previous prime is 4245505031. The next prime is 4245505051. The reversal of 4245505045 is 5405055424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1237421329 + 3008083716 = 35177^2 + 54846^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245505045 - 2²³ = 4237116437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4245505045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424550500 + ... + 424550509.

It is an arithmetic number, because the mean of its divisors is an integer number (1273651515).

Almost surely, 2^4245505045 is an apocalyptic number.

It is an amenable number.

4245505045 is a deficient number, since it is larger than the sum of its proper divisors (849101015).

4245505045 is an equidigital number, since it uses as much as digits as its factorization.

4245505045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849101014.

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 4245505045 is about 65157.5402006552. The cubic root of 4245505045 is about 1619.2346439321.

The spelling of 4245505045 in words is "four billion, two hundred forty-five million, five hundred five thousand, forty-five".