1045491068149 has 16 divisors (see below), whose sum is σ = 1210812477120. Its totient is φ = 892177493760.

The previous prime is 1045491068119. The next prime is 1045491068161. The reversal of 1045491068149 is 9418601945401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1045491068149 - 2²¹ = 1045488970997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045491068096 and 1045491068105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045491068119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7304934 + ... + 7446679.

It is an arithmetic number, because the mean of its divisors is an integer number (75675779820).

Almost surely, 2^{1045491068149} is an apocalyptic number.

It is an amenable number.

1045491068149 is a deficient number, since it is larger than the sum of its proper divisors (165321408971).

1045491068149 is a wasteful number, since it uses less digits than its factorization.

1045491068149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14752020.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 1045491068149 in words is "one trillion, forty-five billion, four hundred ninety-one million, sixty-eight thousand, one hundred forty-nine".