1142521304342 has 16 divisors (see below), whose sum is σ = 1872247360464. Its totient is φ = 518587020000.

The previous prime is 1142521304341. The next prime is 1142521304369. The reversal of 1142521304342 is 2434031252411.

It is a junction number, because it is equal to n+sod(n) for n = 1142521304299 and 1142521304308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142521304341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37026509 + ... + 37057352.

It is an arithmetic number, because the mean of its divisors is an integer number (117015460029).

Almost surely, 2^{1142521304342} is an apocalyptic number.

1142521304342 is a deficient number, since it is larger than the sum of its proper divisors (729726056122).

1142521304342 is a wasteful number, since it uses less digits than its factorization.

1142521304342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74084575.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1142521304342 its reverse (2434031252411), we get a palindrome (3576552556753).

The spelling of 1142521304342 in words is "one trillion, one hundred forty-two billion, five hundred twenty-one million, three hundred four thousand, three hundred forty-two".