546040645 has 8 divisors (see below), whose sum is σ = 662004504. Its totient is φ = 432328704.

The previous prime is 546040637. The next prime is 546040661.

546040645 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 12292036 + 533748609 = 3506^2 + 23103^2 .

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 546040645 - 2³ = 546040637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546040645.

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, 562444 + ... + 563413.

It is an arithmetic number, because the mean of its divisors is an integer number (82750563).

Almost surely, 2^546040645 is an apocalyptic number.

It is an amenable number.

546040645 is a deficient number, since it is larger than the sum of its proper divisors (115963859).

546040645 is a wasteful number, since it uses less digits than its factorization.

546040645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125959.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 546040645 is about 23367.5125976215. The cubic root of 546040645 is about 817.3504831191.

The spelling of 546040645 in words is "five hundred forty-six million, forty thousand, six hundred forty-five".