461382154 has 4 divisors (see below), whose sum is σ = 692073234. Its totient is φ = 230691076.

The previous prime is 461382151. The next prime is 461382203. The reversal of 461382154 is 451283164.

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

It can be written as a sum of positive squares in only one way, i.e., 295668025 + 165714129 = 17195^2 + 12873^2 .

It is not an unprimeable number, because it can be changed into a prime (461382151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115345537 + ... + 115345540.

Almost surely, 2^461382154 is an apocalyptic number.

461382154 is a deficient number, since it is larger than the sum of its proper divisors (230691080).

461382154 is a wasteful number, since it uses less digits than its factorization.

461382154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230691079.

The product of its digits is 23040, while the sum is 34.

The square root of 461382154 is about 21479.8080531461. The cubic root of 461382154 is about 772.7166390375.

The spelling of 461382154 in words is "four hundred sixty-one million, three hundred eighty-two thousand, one hundred fifty-four".