142421613250345 has 32 divisors (see below), whose sum is σ = 201231778204800. Its totient is φ = 95398768496640.

The previous prime is 142421613250337. The next prime is 142421613250361. The reversal of 142421613250345 is 543052316124241.

It is a happy number.

It is not a de Polignac number, because 142421613250345 - 2³ = 142421613250337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221495299 + ... + 222137368.

It is an arithmetic number, because the mean of its divisors is an integer number (6288493068900).

Almost surely, 2^{142421613250345} is an apocalyptic number.

It is an amenable number.

142421613250345 is a deficient number, since it is larger than the sum of its proper divisors (58810164954455).

142421613250345 is a wasteful number, since it uses less digits than its factorization.

142421613250345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443633145.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 142421613250345 its reverse (543052316124241), we get a palindrome (685473929374586).

The spelling of 142421613250345 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred thirteen million, two hundred fifty thousand, three hundred forty-five".