142921519105 has 8 divisors (see below), whose sum is σ = 177419817000. Its totient is φ = 110394552576.

The previous prime is 142921519061. The next prime is 142921519121. The reversal of 142921519105 is 501915129241.

It can be written as a sum of positive squares in 4 ways, for example, as 23923427584 + 118998091521 = 154672^2 + 344961^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142921519105 - 2¹⁹ = 142920994817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492832680 + ... + 492832969.

It is an arithmetic number, because the mean of its divisors is an integer number (22177477125).

Almost surely, 2^142921519105 is an apocalyptic number.

It is an amenable number.

142921519105 is a deficient number, since it is larger than the sum of its proper divisors (34498297895).

142921519105 is an equidigital number, since it uses as much as digits as its factorization.

142921519105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985665683.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 142921519105 in words is "one hundred forty-two billion, nine hundred twenty-one million, five hundred nineteen thousand, one hundred five".