452668153 has 4 divisors (see below), whose sum is σ = 517335040. Its totient is φ = 388001268.

The previous prime is 452668133. The next prime is 452668157. The reversal of 452668153 is 351866254.

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.

It is a cyclic number.

It is not a de Polignac number, because 452668153 - 2²¹ = 450571001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452668157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32333433 + ... + 32333446.

It is an arithmetic number, because the mean of its divisors is an integer number (129333760).

Almost surely, 2^452668153 is an apocalyptic number.

It is an amenable number.

452668153 is a deficient number, since it is larger than the sum of its proper divisors (64666887).

452668153 is an equidigital number, since it uses as much as digits as its factorization.

452668153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64666886.

The product of its digits is 172800, while the sum is 40.

The square root of 452668153 is about 21275.9994594849. Note that the first 3 decimals coincide. The cubic root of 452668153 is about 767.8209902023.

The spelling of 452668153 in words is "four hundred fifty-two million, six hundred sixty-eight thousand, one hundred fifty-three".