105202401420142 has 64 divisors (see below), whose sum is σ = 185089510287360. Its totient is φ = 44404691867136.

The previous prime is 105202401420139. The next prime is 105202401420187. The reversal of 105202401420142 is 241024104202501.

It is a super-2 number, since 2×105202401420142² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105202401420142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15328738 + ... + 21103909.

It is an arithmetic number, because the mean of its divisors is an integer number (2892023598240).

Almost surely, 2^{105202401420142} is an apocalyptic number.

105202401420142 is a deficient number, since it is larger than the sum of its proper divisors (79887108867218).

105202401420142 is a wasteful number, since it uses less digits than its factorization.

105202401420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36432865.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 105202401420142 its reverse (241024104202501), we get a palindrome (346226505622643).

The spelling of 105202401420142 in words is "one hundred five trillion, two hundred two billion, four hundred one million, four hundred twenty thousand, one hundred forty-two".