453043661 has 16 divisors (see below), whose sum is σ = 529382400. Its totient is φ = 387550800.

The previous prime is 453043637. The next prime is 453043691. The reversal of 453043661 is 166340354.

It is not a de Polignac number, because 453043661 - 2¹⁴ = 453027277 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 (453043691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231236 + ... + 233186.

It is an arithmetic number, because the mean of its divisors is an integer number (33086400).

Almost surely, 2^453043661 is an apocalyptic number.

It is an amenable number.

453043661 is a deficient number, since it is larger than the sum of its proper divisors (76338739).

453043661 is an equidigital number, since it uses as much as digits as its factorization.

453043661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 453043661 is about 21284.8223154435. The cubic root of 453043661 is about 768.0332452017.

The spelling of 453043661 in words is "four hundred fifty-three million, forty-three thousand, six hundred sixty-one".