461261155 has 4 divisors (see below), whose sum is σ = 553513392. Its totient is φ = 369008920.

The previous prime is 461261147. The next prime is 461261161. The reversal of 461261155 is 551162164.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 461261155 - 2³ = 461261147 is a prime.

It is a super-2 number, since 2×461261155² = 425523706223868050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46126111 + ... + 46126120.

It is an arithmetic number, because the mean of its divisors is an integer number (138378348).

Almost surely, 2^461261155 is an apocalyptic number.

461261155 is a deficient number, since it is larger than the sum of its proper divisors (92252237).

461261155 is an equidigital number, since it uses as much as digits as its factorization.

461261155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92252236.

The product of its digits is 7200, while the sum is 31.

The square root of 461261155 is about 21476.9912930094. The cubic root of 461261155 is about 772.6490839646.

The spelling of 461261155 in words is "four hundred sixty-one million, two hundred sixty-one thousand, one hundred fifty-five".