455453642 has 48 divisors (see below), whose sum is σ = 818767872. Its totient is φ = 186110400.

The previous prime is 455453629. The next prime is 455453651. The reversal of 455453642 is 246354554.

It is a super-2 number, since 2×455453642² = 414876040022128328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 455453596 and 455453605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1188983 + ... + 1189365.

It is an arithmetic number, because the mean of its divisors is an integer number (17057664).

Almost surely, 2^455453642 is an apocalyptic number.

455453642 is a deficient number, since it is larger than the sum of its proper divisors (363314230).

455453642 is a wasteful number, since it uses less digits than its factorization.

455453642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 522 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

The square root of 455453642 is about 21341.3598910660. The cubic root of 455453642 is about 769.3926970580.

The spelling of 455453642 in words is "four hundred fifty-five million, four hundred fifty-three thousand, six hundred forty-two".