42154226454 has 8 divisors (see below), whose sum is σ = 84308452920. Its totient is φ = 14051408816.

The previous prime is 42154226449. The next prime is 42154226497. The reversal of 42154226454 is 45462245124.

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

42154226454 is an admirable number.

It is a super-2 number, since 2×42154226454² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512852199 + ... + 3512852210.

It is an arithmetic number, because the mean of its divisors is an integer number (10538556615).

Almost surely, 2^42154226454 is an apocalyptic number.

42154226454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42154226454 is a wasteful number, since it uses less digits than its factorization.

42154226454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025704414.

The product of its digits is 307200, while the sum is 39.

The spelling of 42154226454 in words is "forty-two billion, one hundred fifty-four million, two hundred twenty-six thousand, four hundred fifty-four".