1545461342556 has 24 divisors (see below), whose sum is σ = 3608169419904. Its totient is φ = 514854787440.

The previous prime is 1545461342533. The next prime is 1545461342561. The reversal of 1545461342556 is 6552431645451.

It is a super-2 number, since 2×1545461342556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1545461342499 and 1545461342508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37352640 + ... + 37393991.

It is an arithmetic number, because the mean of its divisors is an integer number (150340392496).

Almost surely, 2^{1545461342556} is an apocalyptic number.

It is an amenable number.

1545461342556 is an abundant number, since it is smaller than the sum of its proper divisors (2062708077348).

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

1545461342556 is a wasteful number, since it uses less digits than its factorization.

1545461342556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74748361 (or 74748359 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 51.

The spelling of 1545461342556 in words is "one trillion, five hundred forty-five billion, four hundred sixty-one million, three hundred forty-two thousand, five hundred fifty-six".