455148666 has 32 divisors (see below), whose sum is σ = 1155934080. Its totient is φ = 130042368.

The previous prime is 455148623. The next prime is 455148691. The reversal of 455148666 is 666841554.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601671 + ... + 602426.

It is an arithmetic number, because the mean of its divisors is an integer number (36122940).

Almost surely, 2^455148666 is an apocalyptic number.

455148666 is an abundant number, since it is smaller than the sum of its proper divisors (700785414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455148666 is a wasteful number, since it uses less digits than its factorization.

455148666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204115 (or 1204109 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 455148666 is about 21334.2135078845. The cubic root of 455148666 is about 769.2209278746.

The spelling of 455148666 in words is "four hundred fifty-five million, one hundred forty-eight thousand, six hundred sixty-six".