46144921 has 2 divisors, whose sum is σ = 46144922. Its totient is φ = 46144920.

The previous prime is 46144913. The next prime is 46144933. The reversal of 46144921 is 12944164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28504921 + 17640000 = 5339^2 + 4200^2 .

It is a cyclic number.

It is not a de Polignac number, because 46144921 - 2³ = 46144913 is a prime.

It is not a weakly prime, because it can be changed into another prime (46144991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23072460 + 23072461.

It is an arithmetic number, because the mean of its divisors is an integer number (23072461).

Almost surely, 2^46144921 is an apocalyptic number.

It is an amenable number.

46144921 is a deficient number, since it is larger than the sum of its proper divisors (1).

46144921 is an equidigital number, since it uses as much as digits as its factorization.

46144921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 46144921 is about 6793.0052995710. The cubic root of 46144921 is about 358.6806671973.

The spelling of 46144921 in words is "forty-six million, one hundred forty-four thousand, nine hundred twenty-one".