4545545439 has 8 divisors (see below), whose sum is σ = 6063770160. Its totient is φ = 3028842176.

The previous prime is 4545545429. The next prime is 4545545441. The reversal of 4545545439 is 9345455454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4545545439 - 2²⁸ = 4277109983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545545429) 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, 373374 + ... + 385355.

It is an arithmetic number, because the mean of its divisors is an integer number (757971270).

Almost surely, 2^4545545439 is an apocalyptic number.

4545545439 is a deficient number, since it is larger than the sum of its proper divisors (1518224721).

4545545439 is a wasteful number, since it uses less digits than its factorization.

4545545439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760729.

The product of its digits is 4320000, while the sum is 48.

The square root of 4545545439 is about 67420.6603275287. The cubic root of 4545545439 is about 1656.5148537565.

The spelling of 4545545439 in words is "four billion, five hundred forty-five million, five hundred forty-five thousand, four hundred thirty-nine".