453121149 has 16 divisors (see below), whose sum is σ = 651776832. Its totient is φ = 278354688.

The previous prime is 453121133. The next prime is 453121157. The reversal of 453121149 is 941121354.

It is not a de Polignac number, because 453121149 - 2⁴ = 453121133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453121189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12997 + ... + 32789.

It is an arithmetic number, because the mean of its divisors is an integer number (40736052).

Almost surely, 2^453121149 is an apocalyptic number.

It is an amenable number.

453121149 is a deficient number, since it is larger than the sum of its proper divisors (198655683).

453121149 is a wasteful number, since it uses less digits than its factorization.

453121149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396.

The product of its digits is 4320, while the sum is 30.

The square root of 453121149 is about 21286.6425018132. The cubic root of 453121149 is about 768.0770305087.

The spelling of 453121149 in words is "four hundred fifty-three million, one hundred twenty-one thousand, one hundred forty-nine".