42505034430154 has 8 divisors (see below), whose sum is σ = 64011565795968. Its totient is φ = 21167845831500.

The previous prime is 42505034430139. The next prime is 42505034430161. The reversal of 42505034430154 is 45103443050524.

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, 42335691162 + ... + 42335692165.

It is an arithmetic number, because the mean of its divisors is an integer number (8001445724496).

Almost surely, 2^{42505034430154} is an apocalyptic number.

42505034430154 is a deficient number, since it is larger than the sum of its proper divisors (21506531365814).

42505034430154 is a wasteful number, since it uses less digits than its factorization.

42505034430154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84671383580.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 42505034430154 its reverse (45103443050524), we get a palindrome (87608477480678).

The spelling of 42505034430154 in words is "forty-two trillion, five hundred five billion, thirty-four million, four hundred thirty thousand, one hundred fifty-four".