1540050150243 has 32 divisors (see below), whose sum is σ = 2242572321024. Its totient is φ = 932322960000.

The previous prime is 1540050150181. The next prime is 1540050150251. The reversal of 1540050150243 is 3420510500451.

It is not a de Polignac number, because 1540050150243 - 2¹² = 1540050146147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1540050150243.

It is not an unprimeable number, because it can be changed into a prime (1540050150283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128965653 + ... + 128977593.

It is an arithmetic number, because the mean of its divisors is an integer number (70080385032).

Almost surely, 2^{1540050150243} is an apocalyptic number.

1540050150243 is a deficient number, since it is larger than the sum of its proper divisors (702522170781).

1540050150243 is a wasteful number, since it uses less digits than its factorization.

1540050150243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15987.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1540050150243 its reverse (3420510500451), we get a palindrome (4960560650694).

The spelling of 1540050150243 in words is "one trillion, five hundred forty billion, fifty million, one hundred fifty thousand, two hundred forty-three".