445456142665342 has 16 divisors (see below), whose sum is σ = 738249566362272. Its totient is φ = 200512227900160.

The previous prime is 445456142665297. The next prime is 445456142665349. The reversal of 445456142665342 is 243566241654544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445456142665349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284818504759 + ... + 284818506322.

It is an arithmetic number, because the mean of its divisors is an integer number (46140597897642).

Almost surely, 2^{445456142665342} is an apocalyptic number.

445456142665342 is a deficient number, since it is larger than the sum of its proper divisors (292793423696930).

445456142665342 is a wasteful number, since it uses less digits than its factorization.

445456142665342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569637011123.

The product of its digits is 331776000, while the sum is 61.

The spelling of 445456142665342 in words is "four hundred forty-five trillion, four hundred fifty-six billion, one hundred forty-two million, six hundred sixty-five thousand, three hundred forty-two".