461209345 has 8 divisors (see below), whose sum is σ = 555408576. Its totient is φ = 367662576.

The previous prime is 461209327. The next prime is 461209381. The reversal of 461209345 is 543902164.

It is a happy number.

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 461209345 - 2¹⁵ = 461176577 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 461209345.

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, 161557 + ... + 164386.

It is an arithmetic number, because the mean of its divisors is an integer number (69426072).

Almost surely, 2^461209345 is an apocalyptic number.

It is an amenable number.

461209345 is a deficient number, since it is larger than the sum of its proper divisors (94199231).

461209345 is a wasteful number, since it uses less digits than its factorization.

461209345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326231.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 461209345 is about 21475.7850846017. The cubic root of 461209345 is about 772.6201542592.

The spelling of 461209345 in words is "four hundred sixty-one million, two hundred nine thousand, three hundred forty-five".