453666149 has 4 divisors (see below), whose sum is σ = 453717600. Its totient is φ = 453614700.

The previous prime is 453666127. The next prime is 453666203. The reversal of 453666149 is 941666354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453666149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453666119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8777 + ... + 31374.

It is an arithmetic number, because the mean of its divisors is an integer number (113429400).

Almost surely, 2^453666149 is an apocalyptic number.

It is an amenable number.

453666149 is a deficient number, since it is larger than the sum of its proper divisors (51451).

453666149 is a wasteful number, since it uses less digits than its factorization.

453666149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51450.

The product of its digits is 466560, while the sum is 44.

The square root of 453666149 is about 21299.4401100123. The cubic root of 453666149 is about 768.3848468381.

It can be divided in two parts, 45366 and 6149, that added together give a palindrome (51515).

The spelling of 453666149 in words is "four hundred fifty-three million, six hundred sixty-six thousand, one hundred forty-nine".