545899105 has 8 divisors (see below), whose sum is σ = 659861352. Its totient is φ = 433531008.

The previous prime is 545899069. The next prime is 545899129. The reversal of 545899105 is 501998545.

It can be written as a sum of positive squares in 4 ways, for example, as 97772544 + 448126561 = 9888^2 + 21169^2 .

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 545899105 - 2²⁷ = 411681377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397782 + ... + 399151.

It is an arithmetic number, because the mean of its divisors is an integer number (82482669).

Almost surely, 2^545899105 is an apocalyptic number.

It is an amenable number.

545899105 is a deficient number, since it is larger than the sum of its proper divisors (113962247).

545899105 is a wasteful number, since it uses less digits than its factorization.

545899105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797075.

The product of its (nonzero) digits is 324000, while the sum is 46.

The square root of 545899105 is about 23364.4838376541. The cubic root of 545899105 is about 817.2798548086.

The spelling of 545899105 in words is "five hundred forty-five million, eight hundred ninety-nine thousand, one hundred five".