145183551066 has 32 divisors (see below), whose sum is σ = 322749622080. Its totient is φ = 48376590768.

The previous prime is 145183551049. The next prime is 145183551103. The reversal of 145183551066 is 660155381541.

It is a happy number.

145183551066 is a `hidden beast` number, since 1 + 4 + 51 + 83 + 5 + 510 + 6 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350421 + ... + 642776.

It is an arithmetic number, because the mean of its divisors is an integer number (10085925690).

Almost surely, 2^145183551066 is an apocalyptic number.

145183551066 is an abundant number, since it is smaller than the sum of its proper divisors (177566071014).

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

145183551066 is a wasteful number, since it uses less digits than its factorization.

145183551066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995915 (or 995909 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 145183551066 in words is "one hundred forty-five billion, one hundred eighty-three million, five hundred fifty-one thousand, sixty-six".