455745445 has 4 divisors (see below), whose sum is σ = 546894540. Its totient is φ = 364596352.

The previous prime is 455745443. The next prime is 455745461. The reversal of 455745445 is 544547554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544547554 = 2 ⋅272273777.

It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 359254116 = 9823^2 + 18954^2 .

It is a cyclic number.

It is not a de Polignac number, because 455745445 - 2¹ = 455745443 is a prime.

It is a super-3 number, since 3×455745445³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455745443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45574540 + ... + 45574549.

It is an arithmetic number, because the mean of its divisors is an integer number (136723635).

Almost surely, 2^455745445 is an apocalyptic number.

It is an amenable number.

455745445 is a deficient number, since it is larger than the sum of its proper divisors (91149095).

455745445 is an equidigital number, since it uses as much as digits as its factorization.

455745445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91149094.

The product of its digits is 1120000, while the sum is 43.

The square root of 455745445 is about 21348.1953569851. The cubic root of 455745445 is about 769.5569751509.

The spelling of 455745445 in words is "four hundred fifty-five million, seven hundred forty-five thousand, four hundred forty-five".