455777642 has 8 divisors (see below), whose sum is σ = 684093600. Its totient is φ = 227746444.

The previous prime is 455777627. The next prime is 455777657. The reversal of 455777642 is 246777554.

It is an interprime number because it is at equal distance from previous prime (455777627) and next prime (455777657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67142 + ... + 73617.

It is an arithmetic number, because the mean of its divisors is an integer number (85511700).

Almost surely, 2^455777642 is an apocalyptic number.

455777642 is a deficient number, since it is larger than the sum of its proper divisors (228315958).

455777642 is a wasteful number, since it uses less digits than its factorization.

455777642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142380.

The product of its digits is 1646400, while the sum is 47.

The square root of 455777642 is about 21348.9494355109. The cubic root of 455777642 is about 769.5750969941.

The spelling of 455777642 in words is "four hundred fifty-five million, seven hundred seventy-seven thousand, six hundred forty-two".