455554642 has 32 divisors (see below), whose sum is σ = 712514880. Its totient is φ = 218299200.

The previous prime is 455554637. The next prime is 455554643. The reversal of 455554642 is 246455554.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 455554595 and 455554604.

It is not an unprimeable number, because it can be changed into a prime (455554643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554648 + ... + 1554940.

It is an arithmetic number, because the mean of its divisors is an integer number (22266090).

Almost surely, 2^455554642 is an apocalyptic number.

455554642 is a deficient number, since it is larger than the sum of its proper divisors (256960238).

455554642 is a wasteful number, since it uses less digits than its factorization.

455554642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its digits is 480000, while the sum is 40.

The square root of 455554642 is about 21343.7260570876. The cubic root of 455554642 is about 769.4495655746.

The spelling of 455554642 in words is "four hundred fifty-five million, five hundred fifty-four thousand, six hundred forty-two".