1545322413372 has 12 divisors (see below), whose sum is σ = 3605752297896. Its totient is φ = 515107471120.

The previous prime is 1545322413311. The next prime is 1545322413389. The reversal of 1545322413372 is 2733142235451.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1545322413372² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64388433879 + ... + 64388433902.

It is an arithmetic number, because the mean of its divisors is an integer number (300479358158).

Almost surely, 2^{1545322413372} is an apocalyptic number.

1545322413372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545322413372 is an abundant number, since it is smaller than the sum of its proper divisors (2060429884524).

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

1545322413372 is a wasteful number, since it uses less digits than its factorization.

1545322413372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128776867788 (or 128776867786 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The spelling of 1545322413372 in words is "one trillion, five hundred forty-five billion, three hundred twenty-two million, four hundred thirteen thousand, three hundred seventy-two".