142451450564665 has 32 divisors (see below), whose sum is σ = 186858110912256. Its totient is φ = 103392060399360.

The previous prime is 142451450564651. The next prime is 142451450564671. The reversal of 142451450564665 is 566465054154241.

It is not a de Polignac number, because 142451450564665 - 2²¹ = 142451448467513 is a prime.

It is a Duffinian number.

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, 1445087319 + ... + 1445185891.

It is an arithmetic number, because the mean of its divisors is an integer number (5839315966008).

Almost surely, 2^{142451450564665} is an apocalyptic number.

It is an amenable number.

142451450564665 is a deficient number, since it is larger than the sum of its proper divisors (44406660347591).

142451450564665 is a wasteful number, since it uses less digits than its factorization.

142451450564665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151329.

The product of its (nonzero) digits is 69120000, while the sum is 58.

The spelling of 142451450564665 in words is "one hundred forty-two trillion, four hundred fifty-one billion, four hundred fifty million, five hundred sixty-four thousand, six hundred sixty-five".