145166164243 has 8 divisors (see below), whose sum is σ = 148004560800. Its totient is φ = 142331449728.

The previous prime is 145166164237. The next prime is 145166164277. The reversal of 145166164243 is 342461661541.

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

It is a cyclic number.

It is not a de Polignac number, because 145166164243 - 2⁹ = 145166163731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145166164243.

It is not an unprimeable number, because it can be changed into a prime (145166144243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840823 + ... + 998656.

It is an arithmetic number, because the mean of its divisors is an integer number (18500570100).

Almost surely, 2^145166164243 is an apocalyptic number.

145166164243 is a deficient number, since it is larger than the sum of its proper divisors (2838396557).

145166164243 is a wasteful number, since it uses less digits than its factorization.

145166164243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841021.

The product of its digits is 414720, while the sum is 43.

The spelling of 145166164243 in words is "one hundred forty-five billion, one hundred sixty-six million, one hundred sixty-four thousand, two hundred forty-three".