461545064 has 8 divisors (see below), whose sum is σ = 865397010. Its totient is φ = 230772528.

The previous prime is 461545061. The next prime is 461545079. The reversal of 461545064 is 460545164.

It can be written as a sum of positive squares in only one way, i.e., 413796964 + 47748100 = 20342^2 + 6910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×461545064² = 426047692205528192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461545061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28846559 + ... + 28846574.

Almost surely, 2^461545064 is an apocalyptic number.

It is an amenable number.

461545064 is a deficient number, since it is larger than the sum of its proper divisors (403851946).

461545064 is a wasteful number, since it uses less digits than its factorization.

461545064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57693139 (or 57693135 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 461545064 is about 21483.5998845631. The cubic root of 461545064 is about 772.8075748293.

The spelling of 461545064 in words is "four hundred sixty-one million, five hundred forty-five thousand, sixty-four".