4545240349 has 4 divisors (see below), whose sum is σ = 4894874236. Its totient is φ = 4195606464.

The previous prime is 4545240283. The next prime is 4545240373. The reversal of 4545240349 is 9430425454.

It is a happy number.

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 1555119225 + 2990121124 = 39435^2 + 54682^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545240349 - 2²⁹ = 4008369437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545240389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174816924 + ... + 174816949.

It is an arithmetic number, because the mean of its divisors is an integer number (1223718559).

Almost surely, 2^4545240349 is an apocalyptic number.

It is an amenable number.

4545240349 is a deficient number, since it is larger than the sum of its proper divisors (349633887).

4545240349 is a wasteful number, since it uses less digits than its factorization.

4545240349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349633886.

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 4545240349 is about 67418.3977041875. The cubic root of 4545240349 is about 1656.4777920199.

The spelling of 4545240349 in words is "four billion, five hundred forty-five million, two hundred forty thousand, three hundred forty-nine".