1145414044021 has 8 divisors (see below), whose sum is σ = 1234224104960. Its totient is φ = 1056704167152.

The previous prime is 1145414044003. The next prime is 1145414044031. The reversal of 1145414044021 is 1204404145411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145414044021 - 2²¹ = 1145411946869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145414044031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25022265 + ... + 25067998.

It is an arithmetic number, because the mean of its divisors is an integer number (154278013120).

Almost surely, 2^{1145414044021} is an apocalyptic number.

It is an amenable number.

1145414044021 is a deficient number, since it is larger than the sum of its proper divisors (88810060939).

1145414044021 is a wasteful number, since it uses less digits than its factorization.

1145414044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50092035.

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 1145414044021 its reverse (1204404145411), we get a palindrome (2349818189432).

The spelling of 1145414044021 in words is "one trillion, one hundred forty-five billion, four hundred fourteen million, forty-four thousand, twenty-one".