461154137 has 2 divisors, whose sum is σ = 461154138. Its totient is φ = 461154136.

The previous prime is 461154119. The next prime is 461154157. The reversal of 461154137 is 731451164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377175241 + 83978896 = 19421^2 + 9164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461154137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461154107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230577068 + 230577069.

It is an arithmetic number, because the mean of its divisors is an integer number (230577069).

Almost surely, 2^461154137 is an apocalyptic number.

It is an amenable number.

461154137 is a deficient number, since it is larger than the sum of its proper divisors (1).

461154137 is an equidigital number, since it uses as much as digits as its factorization.

461154137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 461154137 is about 21474.4996914946. The cubic root of 461154137 is about 772.5893247917.

The spelling of 461154137 in words is "four hundred sixty-one million, one hundred fifty-four thousand, one hundred thirty-seven".