4581465144465 has 32 divisors (see below), whose sum is σ = 8000073216000. Its totient is φ = 2220390307520.

The previous prime is 4581465144457. The next prime is 4581465144467. The reversal of 4581465144465 is 5644415641854.

It is a happy number.

It is not a de Polignac number, because 4581465144465 - 2³ = 4581465144457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4581465144467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5391255 + ... + 6182924.

It is an arithmetic number, because the mean of its divisors is an integer number (250002288000).

Almost surely, 2^{4581465144465} is an apocalyptic number.

It is an amenable number.

4581465144465 is a deficient number, since it is larger than the sum of its proper divisors (3418608071535).

4581465144465 is a wasteful number, since it uses less digits than its factorization.

4581465144465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576597.

The product of its digits is 36864000, while the sum is 57.

The spelling of 4581465144465 in words is "four trillion, five hundred eighty-one billion, four hundred sixty-five million, one hundred forty-four thousand, four hundred sixty-five".