455515445 has 16 divisors (see below), whose sum is σ = 681499008. Its totient is φ = 283957440.

The previous prime is 455515429. The next prime is 455515447. The reversal of 455515445 is 544515554.

It is not a de Polignac number, because 455515445 - 2⁴ = 455515429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455515399 and 455515408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455515447) 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, 591194 + ... + 591963.

It is an arithmetic number, because the mean of its divisors is an integer number (42593688).

Almost surely, 2^455515445 is an apocalyptic number.

It is an amenable number.

455515445 is a deficient number, since it is larger than the sum of its proper divisors (225983563).

455515445 is a wasteful number, since it uses less digits than its factorization.

455515445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183180.

The product of its digits is 200000, while the sum is 38.

The square root of 455515445 is about 21342.8078049726. The cubic root of 455515445 is about 769.4274965208.

The spelling of 455515445 in words is "four hundred fifty-five million, five hundred fifteen thousand, four hundred forty-five".