455120645 has 16 divisors (see below), whose sum is σ = 630350208. Its totient is φ = 308990400.

The previous prime is 455120621. The next prime is 455120647. The reversal of 455120645 is 546021554.

It is not a de Polignac number, because 455120645 - 2⁶ = 455120581 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 (455120647) 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, 60839 + ... + 67908.

It is an arithmetic number, because the mean of its divisors is an integer number (39396888).

Almost surely, 2^455120645 is an apocalyptic number.

It is an amenable number.

455120645 is a deficient number, since it is larger than the sum of its proper divisors (175229563).

455120645 is a wasteful number, since it uses less digits than its factorization.

455120645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128860.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 455120645 is about 21333.5567826839. The cubic root of 455120645 is about 769.2051419834.

Subtracting 455120645 from its reverse (546021554), we obtain a palindrome (90900909).

The spelling of 455120645 in words is "four hundred fifty-five million, one hundred twenty thousand, six hundred forty-five".