1023145530345 has 36 divisors (see below), whose sum is σ = 1871704484676. Its totient is φ = 516957733440.

The previous prime is 1023145530331. The next prime is 1023145530347. The reversal of 1023145530345 is 5430355413201.

1023145530345 is a `hidden beast` number, since 1 + 0 + 231 + 4 + 55 + 30 + 345 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 804522890304 + 218622640041 = 896952^2 + 467571^2 .

It is not a de Polignac number, because 1023145530345 - 2⁷ = 1023145530217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1023145530347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31474846 + ... + 31507335.

It is an arithmetic number, because the mean of its divisors is an integer number (51991791241).

Almost surely, 2^{1023145530345} is an apocalyptic number.

1023145530345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023145530345 is a deficient number, since it is larger than the sum of its proper divisors (848558954331).

1023145530345 is a wasteful number, since it uses less digits than its factorization.

1023145530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62982230 (or 62982208 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 1023145530345 in words is "one trillion, twenty-three billion, one hundred forty-five million, five hundred thirty thousand, three hundred forty-five".