455945144 has 8 divisors (see below), whose sum is σ = 854897160. Its totient is φ = 227972568.

The previous prime is 455945143. The next prime is 455945153. The reversal of 455945144 is 441549554.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455945141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28496564 + ... + 28496579.

It is an arithmetic number, because the mean of its divisors is an integer number (106862145).

Almost surely, 2^455945144 is an apocalyptic number.

It is an amenable number.

455945144 is a deficient number, since it is larger than the sum of its proper divisors (398952016).

455945144 is a wasteful number, since it uses less digits than its factorization.

455945144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56993149 (or 56993145 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The square root of 455945144 is about 21352.8720316495. The cubic root of 455945144 is about 769.6693604887.

The spelling of 455945144 in words is "four hundred fifty-five million, nine hundred forty-five thousand, one hundred forty-four".