461513993145 has 16 divisors (see below), whose sum is σ = 743734783680. Its totient is φ = 244369998144.

The previous prime is 461513993141. The next prime is 461513993153. The reversal of 461513993145 is 541399315164.

It is a happy number.

It is not a de Polignac number, because 461513993145 - 2² = 461513993141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461513993141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110672734 + ... + 110676903.

It is an arithmetic number, because the mean of its divisors is an integer number (46483423980).

Almost surely, 2^461513993145 is an apocalyptic number.

It is an amenable number.

461513993145 is a deficient number, since it is larger than the sum of its proper divisors (282220790535).

461513993145 is a wasteful number, since it uses less digits than its factorization.

461513993145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221349784.

The product of its digits is 1749600, while the sum is 51.

The spelling of 461513993145 in words is "four hundred sixty-one billion, five hundred thirteen million, nine hundred ninety-three thousand, one hundred forty-five".