545119999 has 4 divisors (see below), whose sum is σ = 555405336. Its totient is φ = 534834664.

The previous prime is 545119979. The next prime is 545120003. The reversal of 545119999 is 999911545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 545119999 - 2¹³ = 545111807 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 (545119919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5142589 + ... + 5142694.

It is an arithmetic number, because the mean of its divisors is an integer number (138851334).

Almost surely, 2^545119999 is an apocalyptic number.

545119999 is a deficient number, since it is larger than the sum of its proper divisors (10285337).

545119999 is a wasteful number, since it uses less digits than its factorization.

545119999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285336.

The product of its digits is 656100, while the sum is 52.

The square root of 545119999 is about 23347.8050146047. The cubic root of 545119999 is about 816.8908630243.

The spelling of 545119999 in words is "five hundred forty-five million, one hundred nineteen thousand, nine hundred ninety-nine".