1545012350540 has 24 divisors (see below), whose sum is σ = 3319980029520. Its totient is φ = 603632731968.

The previous prime is 1545012350537. The next prime is 1545012350549. The reversal of 1545012350540 is 450532105451.

It is a super-2 number, since 2×1545012350540² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1545012350540.

It is not an unprimeable number, because it can be changed into a prime (1545012350549) by changing a digit.

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, 898262135 + ... + 898263854.

It is an arithmetic number, because the mean of its divisors is an integer number (138332501230).

Almost surely, 2^{1545012350540} is an apocalyptic number.

1545012350540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545012350540 is an abundant number, since it is smaller than the sum of its proper divisors (1774967678980).

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

1545012350540 is a wasteful number, since it uses less digits than its factorization.

1545012350540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796526041 (or 1796526039 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 1545012350540 its reverse (450532105451), we get a palindrome (1995544455991).

The spelling of 1545012350540 in words is "one trillion, five hundred forty-five billion, twelve million, three hundred fifty thousand, five hundred forty".