142421561510626 has 8 divisors (see below), whose sum is σ = 224876149753680. Its totient is φ = 67462844926068.

The previous prime is 142421561510603. The next prime is 142421561510629. The reversal of 142421561510626 is 626015165124241.

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

It is a super-2 number, since 2×142421561510626² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142421561510629) by changing a digit.

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, 1873967914576 + ... + 1873967914651.

It is an arithmetic number, because the mean of its divisors is an integer number (28109518719210).

Almost surely, 2^{142421561510626} is an apocalyptic number.

142421561510626 is a deficient number, since it is larger than the sum of its proper divisors (82454588243054).

142421561510626 is a wasteful number, since it uses less digits than its factorization.

142421561510626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747935829248.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 142421561510626 in words is "one hundred forty-two trillion, four hundred twenty-one billion, five hundred sixty-one million, five hundred ten thousand, six hundred twenty-six".