945455 has 24 divisors (see below), whose sum is σ = 1403568. Its totient is φ = 607488.

The previous prime is 945431. The next prime is 945457. The reversal of 945455 is 554549.

It is a happy number.

It is not a de Polignac number, because 945455 - 2⁶ = 945391 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945455.

It is not an unprimeable number, because it can be changed into a prime (945457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4052 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (58482).

2⁹⁴⁵⁴⁵⁵ is an apocalyptic number.

945455 is a deficient number, since it is larger than the sum of its proper divisors (458113).

945455 is a wasteful number, since it uses less digits than its factorization.

945455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 256 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 945455 is about 972.3451033455. The cubic root of 945455 is about 98.1477363572.

The spelling of 945455 in words is "nine hundred forty-five thousand, four hundred fifty-five".