454545954642 has 32 divisors (see below), whose sum is σ = 979065884160. Its totient is φ = 139854032640.

The previous prime is 454545954623. The next prime is 454545954689. The reversal of 454545954642 is 246459545454.

It is a happy number.

It is a super-2 number, since 2×454545954642² (a number of 24 digits) contains 22 as substring.

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, 1806234 + ... + 2042442.

It is an arithmetic number, because the mean of its divisors is an integer number (30595808880).

Almost surely, 2^454545954642 is an apocalyptic number.

454545954642 is an abundant number, since it is smaller than the sum of its proper divisors (524519929518).

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

454545954642 is a wasteful number, since it uses less digits than its factorization.

454545954642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260898.

The product of its digits is 69120000, while the sum is 57.

The spelling of 454545954642 in words is "four hundred fifty-four billion, five hundred forty-five million, nine hundred fifty-four thousand, six hundred forty-two".