455645500 has 24 divisors (see below), whose sum is σ = 995130864. Its totient is φ = 182258000.

The previous prime is 455645461. The next prime is 455645507. The reversal of 455645500 is 5546554.

It is a super-2 number, since 2×455645500² = 415225643340500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455645507) 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, 455146 + ... + 456145.

It is an arithmetic number, because the mean of its divisors is an integer number (41463786).

Almost surely, 2^455645500 is an apocalyptic number.

It is an amenable number.

455645500 is an abundant number, since it is smaller than the sum of its proper divisors (539485364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455645500 is a wasteful number, since it uses less digits than its factorization.

455645500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911310 (or 911298 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 455645500 is about 21345.8543984540. The cubic root of 455645500 is about 769.5007164098.

The spelling of 455645500 in words is "four hundred fifty-five million, six hundred forty-five thousand, five hundred".