1045321037145 has 192 divisors, whose sum is σ = 2375198691840. Its totient is φ = 412560691200.

The previous prime is 1045321037113. The next prime is 1045321037149. The reversal of 1045321037145 is 5417301235401.

1045321037145 is a `hidden beast` number, since 1 + 0 + 4 + 532 + 10 + 3 + 71 + 45 = 666.

It is not a de Polignac number, because 1045321037145 - 2⁵ = 1045321037113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045321037149) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6044317 + ... + 6214853.

It is an arithmetic number, because the mean of its divisors is an integer number (12370826520).

Almost surely, 2^{1045321037145} is an apocalyptic number.

1045321037145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045321037145 is an abundant number, since it is smaller than the sum of its proper divisors (1329877654695).

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

1045321037145 is a wasteful number, since it uses less digits than its factorization.

1045321037145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170656 (or 170653 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 1045321037145 in words is "one trillion, forty-five billion, three hundred twenty-one million, thirty-seven thousand, one hundred forty-five".