442140051154 has 8 divisors (see below), whose sum is σ = 663346078668. Its totient is φ = 221024691600.

The previous prime is 442140051149. The next prime is 442140051187. The reversal of 442140051154 is 451150041244.

It can be written as a sum of positive squares in 2 ways, for example, as 365813280625 + 76326770529 = 604825^2 + 276273^2 .

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, 22654797 + ... + 22674304.

Almost surely, 2^442140051154 is an apocalyptic number.

442140051154 is a deficient number, since it is larger than the sum of its proper divisors (221206027514).

442140051154 is a wasteful number, since it uses less digits than its factorization.

442140051154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45333980.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 442140051154 its reverse (451150041244), we get a palindrome (893290092398).

The spelling of 442140051154 in words is "four hundred forty-two billion, one hundred forty million, fifty-one thousand, one hundred fifty-four".