1545066342420 has 96 divisors (see below), whose sum is σ = 4639802186880. Its totient is φ = 382967769600.

The previous prime is 1545066342277. The next prime is 1545066342433. The reversal of 1545066342420 is 242436605451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12725631 + ... + 12846470.

It is an arithmetic number, because the mean of its divisors is an integer number (48331272780).

Almost surely, 2^{1545066342420} is an apocalyptic number.

1545066342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545066342420 is an abundant number, since it is smaller than the sum of its proper divisors (3094735844460).

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

1545066342420 is a wasteful number, since it uses less digits than its factorization.

1545066342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25572185 (or 25572183 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 1545066342420 in words is "one trillion, five hundred forty-five billion, sixty-six million, three hundred forty-two thousand, four hundred twenty".