145233461666 has 8 divisors (see below), whose sum is σ = 220007125404. Its totient is φ = 71897753200.

The previous prime is 145233461647. The next prime is 145233461693. The reversal of 145233461666 is 666164332541.

It can be written as a sum of positive squares in 2 ways, for example, as 131898986041 + 13334475625 = 363179^2 + 115475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145233461666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359488565 + ... + 359488968.

Almost surely, 2^145233461666 is an apocalyptic number.

145233461666 is a deficient number, since it is larger than the sum of its proper divisors (74773663738).

145233461666 is a wasteful number, since it uses less digits than its factorization.

145233461666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718977636.

The product of its digits is 1866240, while the sum is 47.

The spelling of 145233461666 in words is "one hundred forty-five billion, two hundred thirty-three million, four hundred sixty-one thousand, six hundred sixty-six".