1142214021542 has 48 divisors (see below), whose sum is σ = 1955112768000. Its totient is φ = 499500355200.

The previous prime is 1142214021527. The next prime is 1142214021593. The reversal of 1142214021542 is 2451204122411.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1682459 + ... + 2261657.

It is an arithmetic number, because the mean of its divisors is an integer number (40731516000).

Almost surely, 2^{1142214021542} is an apocalyptic number.

1142214021542 is a deficient number, since it is larger than the sum of its proper divisors (812898746458).

1142214021542 is a wasteful number, since it uses less digits than its factorization.

1142214021542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579533 (or 579522 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 1142214021542 its reverse (2451204122411), we get a palindrome (3593418143953).

The spelling of 1142214021542 in words is "one trillion, one hundred forty-two billion, two hundred fourteen million, twenty-one thousand, five hundred forty-two".