456105061645 has 4 divisors (see below), whose sum is σ = 547326073980. Its totient is φ = 364884049312.

The previous prime is 456105061631. The next prime is 456105061649. The reversal of 456105061645 is 546160501654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546160501654 = 2 ⋅273080250827.

It can be written as a sum of positive squares in 2 ways, for example, as 165123573316 + 290981488329 = 406354^2 + 539427^2 .

It is a cyclic number.

It is not a de Polignac number, because 456105061645 - 2⁹ = 456105061133 is a prime.

It is a super-3 number, since 3×456105061645³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456105061649) 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, 45610506160 + ... + 45610506169.

It is an arithmetic number, because the mean of its divisors is an integer number (136831518495).

Almost surely, 2^456105061645 is an apocalyptic number.

It is an amenable number.

456105061645 is a deficient number, since it is larger than the sum of its proper divisors (91221012335).

456105061645 is an equidigital number, since it uses as much as digits as its factorization.

456105061645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91221012334.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 456105061645 in words is "four hundred fifty-six billion, one hundred five million, sixty-one thousand, six hundred forty-five".