70144215242 has 8 divisors (see below), whose sum is σ = 105303933732. Its totient is φ = 35042904000.

The previous prime is 70144215233. The next prime is 70144215263. The reversal of 70144215242 is 24251244107.

It can be written as a sum of positive squares in 2 ways, for example, as 55267778281 + 14876436961 = 235091^2 + 121969^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 70144215199 and 70144215208.

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, 14598809 + ... + 14603612.

Almost surely, 2^70144215242 is an apocalyptic number.

70144215242 is a deficient number, since it is larger than the sum of its proper divisors (35159718490).

70144215242 is a wasteful number, since it uses less digits than its factorization.

70144215242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29203624.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 70144215242 its reverse (24251244107), we get a palindrome (94395459349).

The spelling of 70144215242 in words is "seventy billion, one hundred forty-four million, two hundred fifteen thousand, two hundred forty-two".