461144001 has 4 divisors (see below), whose sum is σ = 614858672. Its totient is φ = 307429332.

The previous prime is 461143981. The next prime is 461144027. The reversal of 461144001 is 100441164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 461144001 - 2⁹ = 461143489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461144501) 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 3 ways as a sum of consecutive naturals, for example, 76857331 + ... + 76857336.

It is an arithmetic number, because the mean of its divisors is an integer number (153714668).

Almost surely, 2^461144001 is an apocalyptic number.

It is an amenable number.

461144001 is a deficient number, since it is larger than the sum of its proper divisors (153714671).

461144001 is a wasteful number, since it uses less digits than its factorization.

461144001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153714670.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 461144001 is about 21474.2636893561. The cubic root of 461144001 is about 772.5836643395.

Adding to 461144001 its reverse (100441164), we get a palindrome (561585165).

The spelling of 461144001 in words is "four hundred sixty-one million, one hundred forty-four thousand, one".