1545130047555 has 192 divisors, whose sum is σ = 2881064339712. Its totient is φ = 764358819840.

The previous prime is 1545130047551. The next prime is 1545130047569. The reversal of 1545130047555 is 5557400315451.

1545130047555 is a `hidden beast` number, since 1 + 5 + 4 + 51 + 3 + 0 + 0 + 47 + 555 = 666.

It is not a de Polignac number, because 1545130047555 - 2² = 1545130047551 is a prime.

It is a super-2 number, since 2×1545130047555² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1545130047555.

It is not an unprimeable number, because it can be changed into a prime (1545130047551) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1169666295 + ... + 1169667615.

It is an arithmetic number, because the mean of its divisors is an integer number (15005543436).

Almost surely, 2^{1545130047555} is an apocalyptic number.

1545130047555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1545130047555 is a deficient number, since it is larger than the sum of its proper divisors (1335934292157).

1545130047555 is a wasteful number, since it uses less digits than its factorization.

1545130047555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 1545130047555 in words is "one trillion, five hundred forty-five billion, one hundred thirty million, forty-seven thousand, five hundred fifty-five".