1542553142446 has 12 divisors (see below), whose sum is σ = 2329463061072. Its totient is φ = 766100196344.

The previous prime is 1542553142441. The next prime is 1542553142453. The reversal of 1542553142446 is 6442413552451.

It is a junction number, because it is equal to n+sod(n) for n = 1542553142396 and 1542553142405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542553142441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17325910 + ... + 17414713.

It is an arithmetic number, because the mean of its divisors is an integer number (194121921756).

Almost surely, 2^{1542553142446} is an apocalyptic number.

1542553142446 is a deficient number, since it is larger than the sum of its proper divisors (786909918626).

1542553142446 is an equidigital number, since it uses as much as digits as its factorization.

1542553142446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34740923 (or 34740774 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 46.

Adding to 1542553142446 its reverse (6442413552451), we get a palindrome (7984966694897).

The spelling of 1542553142446 in words is "one trillion, five hundred forty-two billion, five hundred fifty-three million, one hundred forty-two thousand, four hundred forty-six".