145042578099 has 8 divisors (see below), whose sum is σ = 214877893520. Its totient is φ = 96695052048.

The previous prime is 145042578097. The next prime is 145042578151. The reversal of 145042578099 is 990875240541.

It is a happy number.

145042578099 is a `hidden beast` number, since 1 + 4 + 50 + 425 + 7 + 80 + 99 = 666.

It is not a de Polignac number, because 145042578099 - 2¹ = 145042578097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145042578097) 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, 2685973642 + ... + 2685973695.

It is an arithmetic number, because the mean of its divisors is an integer number (26859736690).

Almost surely, 2^145042578099 is an apocalyptic number.

145042578099 is a deficient number, since it is larger than the sum of its proper divisors (69835315421).

145042578099 is an equidigital number, since it uses as much as digits as its factorization.

145042578099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371947346 (or 5371947340 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 145042578099 in words is "one hundred forty-five billion, forty-two million, five hundred seventy-eight thousand, ninety-nine".