464045081 has 8 divisors (see below), whose sum is σ = 466456200. Its totient is φ = 461639808.

The previous prime is 464045069. The next prime is 464045129. The reversal of 464045081 is 180540464.

It can be written as a sum of positive squares in 4 ways, for example, as 38241856 + 425803225 = 6184^2 + 20635^2 .

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 464045081 - 2⁶ = 464045017 is a prime.

It is a super-2 number, since 2×464045081² = 430675674400593122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464044081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289775 + ... + 291371.

It is an arithmetic number, because the mean of its divisors is an integer number (58307025).

Almost surely, 2^464045081 is an apocalyptic number.

It is an amenable number.

464045081 is a deficient number, since it is larger than the sum of its proper divisors (2411119).

464045081 is a wasteful number, since it uses less digits than its factorization.

464045081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 464045081 is about 21541.7056195650. The cubic root of 464045081 is about 774.2003995823.

The spelling of 464045081 in words is "four hundred sixty-four million, forty-five thousand, eighty-one".