142345540305 has 96 divisors (see below), whose sum is σ = 264767053824. Its totient is φ = 70561041408.

The previous prime is 142345540291. The next prime is 142345540321. The reversal of 142345540305 is 503045543241.

142345540305 is a `hidden beast` number, since 1 + 4 + 2 + 345 + 5 + 4 + 0 + 305 = 666.

It is not a de Polignac number, because 142345540305 - 2¹² = 142345536209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142345540305.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35880432 + ... + 35884398.

It is an arithmetic number, because the mean of its divisors is an integer number (2757990144).

Almost surely, 2^142345540305 is an apocalyptic number.

142345540305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142345540305 is a deficient number, since it is larger than the sum of its proper divisors (122421513519).

142345540305 is a wasteful number, since it uses less digits than its factorization.

142345540305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 142345540305 in words is "one hundred forty-two billion, three hundred forty-five million, five hundred forty thousand, three hundred five".