305216445555142 has 16 divisors (see below), whose sum is σ = 499451708247552. Its totient is φ = 138732910334920.

The previous prime is 305216445555103. The next prime is 305216445555179. The reversal of 305216445555142 is 241555544612503.

It is a self number, because there is not a number n which added to its sum of digits gives 305216445555142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90182878 + ... + 93506065.

It is an arithmetic number, because the mean of its divisors is an integer number (31215731765472).

Almost surely, 2^{305216445555142} is an apocalyptic number.

305216445555142 is a deficient number, since it is larger than the sum of its proper divisors (194235262692410).

305216445555142 is a wasteful number, since it uses less digits than its factorization.

305216445555142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183764483.

The product of its (nonzero) digits is 14400000, while the sum is 52.

The spelling of 305216445555142 in words is "three hundred five trillion, two hundred sixteen billion, four hundred forty-five million, five hundred fifty-five thousand, one hundred forty-two".