1022645142534 has 16 divisors (see below), whose sum is σ = 2045402999280. Its totient is φ = 340862928480.

The previous prime is 1022645142457. The next prime is 1022645142577. The reversal of 1022645142534 is 4352415462201.

It is a junction number, because it is equal to n+sod(n) for n = 1022645142492 and 1022645142501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4578249 + ... + 4796420.

It is an arithmetic number, because the mean of its divisors is an integer number (127837687455).

Almost surely, 2^{1022645142534} is an apocalyptic number.

1022645142534 is an abundant number, since it is smaller than the sum of its proper divisors (1022757856746).

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

1022645142534 is a wasteful number, since it uses less digits than its factorization.

1022645142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392855.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 1022645142534 in words is "one trillion, twenty-two billion, six hundred forty-five million, one hundred forty-two thousand, five hundred thirty-four".