154243230166 has 4 divisors (see below), whose sum is σ = 231364845252. Its totient is φ = 77121615082.

The previous prime is 154243230161. The next prime is 154243230203. The reversal of 154243230166 is 661032342451.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154243230161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38560807540 + ... + 38560807543.

It is an arithmetic number, because the mean of its divisors is an integer number (57841211313).

Almost surely, 2^154243230166 is an apocalyptic number.

154243230166 is a deficient number, since it is larger than the sum of its proper divisors (77121615086).

154243230166 is an equidigital number, since it uses as much as digits as its factorization.

154243230166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77121615085.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 154243230166 in words is "one hundred fifty-four billion, two hundred forty-three million, two hundred thirty thousand, one hundred sixty-six".