455604643 has 8 divisors (see below), whose sum is σ = 503912528. Its totient is φ = 409191264.

The previous prime is 455604533. The next prime is 455604647. The reversal of 455604643 is 346406554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455604643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455604647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473121 + ... + 474082.

It is an arithmetic number, because the mean of its divisors is an integer number (62989066).

Almost surely, 2^455604643 is an apocalyptic number.

455604643 is a deficient number, since it is larger than the sum of its proper divisors (48307885).

455604643 is a wasteful number, since it uses less digits than its factorization.

455604643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947253.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 455604643 is about 21344.8973527633. The cubic root of 455604643 is about 769.4777157580.

The spelling of 455604643 in words is "four hundred fifty-five million, six hundred four thousand, six hundred forty-three".