1545743263956 has 24 divisors (see below), whose sum is σ = 3619478934624. Its totient is φ = 513427090080.

The previous prime is 1545743263943. The next prime is 1545743263963. The reversal of 1545743263956 is 6593623475451.

It is a self number, because there is not a number n which added to its sum of digits gives 1545743263956.

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 7 ways as a sum of consecutive naturals, for example, 227579535 + ... + 227586326.

It is an arithmetic number, because the mean of its divisors is an integer number (150811622276).

Almost surely, 2^{1545743263956} is an apocalyptic number.

It is an amenable number.

1545743263956 is an abundant number, since it is smaller than the sum of its proper divisors (2073735670668).

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

1545743263956 is a wasteful number, since it uses less digits than its factorization.

1545743263956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455166151 (or 455166149 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 60.

The spelling of 1545743263956 in words is "one trillion, five hundred forty-five billion, seven hundred forty-three million, two hundred sixty-three thousand, nine hundred fifty-six".