1145241200405 has 32 divisors (see below), whose sum is σ = 1414434752640. Its totient is φ = 889643013120.

The previous prime is 1145241200381. The next prime is 1145241200419. The reversal of 1145241200405 is 5040021425411.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1145241200405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201517694 + ... + 201523376.

It is an arithmetic number, because the mean of its divisors is an integer number (44201086020).

Almost surely, 2^{1145241200405} is an apocalyptic number.

It is an amenable number.

1145241200405 is a deficient number, since it is larger than the sum of its proper divisors (269193552235).

1145241200405 is a wasteful number, since it uses less digits than its factorization.

1145241200405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1145241200405 its reverse (5040021425411), we get a palindrome (6185262625816).

The spelling of 1145241200405 in words is "one trillion, one hundred forty-five billion, two hundred forty-one million, two hundred thousand, four hundred five".