546404645 has 8 divisors (see below), whose sum is σ = 655941240. Its totient is φ = 436953280.

The previous prime is 546404611. The next prime is 546404659.

546404645 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 33744481 + 512660164 = 5809^2 + 22642^2 .

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

It is not a de Polignac number, because 546404645 - 2¹⁰ = 546403621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546404599 and 546404608.

It is a congruent 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, 6230 + ... + 33639.

It is an arithmetic number, because the mean of its divisors is an integer number (81992655).

Almost surely, 2^546404645 is an apocalyptic number.

It is an amenable number.

546404645 is a deficient number, since it is larger than the sum of its proper divisors (109536595).

546404645 is a wasteful number, since it uses less digits than its factorization.

546404645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42615.

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 546404645 is about 23375.2998911244. The cubic root of 546404645 is about 817.5320626977.

The spelling of 546404645 in words is "five hundred forty-six million, four hundred four thousand, six hundred forty-five".