1542152312446 has 16 divisors (see below), whose sum is σ = 2323847826000. Its totient is φ = 767537872128.

The previous prime is 1542152312429. The next prime is 1542152312447. The reversal of 1542152312446 is 6442132512451.

It is a junction number, because it is equal to n+sod(n) for n = 1542152312399 and 1542152312408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542152312447) 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, 1693905 + ... + 2440003.

It is an arithmetic number, because the mean of its divisors is an integer number (145240489125).

Almost surely, 2^{1542152312446} is an apocalyptic number.

1542152312446 is a deficient number, since it is larger than the sum of its proper divisors (781695513554).

1542152312446 is a wasteful number, since it uses less digits than its factorization.

1542152312446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750843.

The product of its digits is 230400, while the sum is 40.

Adding to 1542152312446 its reverse (6442132512451), we get a palindrome (7984284824897).

The spelling of 1542152312446 in words is "one trillion, five hundred forty-two billion, one hundred fifty-two million, three hundred twelve thousand, four hundred forty-six".