142845816645 has 96 divisors (see below), whose sum is σ = 287381133312. Its totient is φ = 64290226176.

The previous prime is 142845816613. The next prime is 142845816653. The reversal of 142845816645 is 546618548241.

142845816645 is a `hidden beast` number, since 1 + 4 + 28 + 458 + 166 + 4 + 5 = 666.

It is not a de Polignac number, because 142845816645 - 2⁵ = 142845816613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142845816591 and 142845816600.

It is a congruent number.

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, 5885004 + ... + 5909226.

It is an arithmetic number, because the mean of its divisors is an integer number (2993553472).

Almost surely, 2^142845816645 is an apocalyptic number.

142845816645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142845816645 is an abundant number, since it is smaller than the sum of its proper divisors (144535316667).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142845816645 is a wasteful number, since it uses less digits than its factorization.

142845816645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24531 (or 24528 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 142845816645 in words is "one hundred forty-two billion, eight hundred forty-five million, eight hundred sixteen thousand, six hundred forty-five".