154344423446 has 8 divisors (see below), whose sum is σ = 231535198440. Its totient is φ = 77166023968.

The previous prime is 154344423419. The next prime is 154344423451. The reversal of 154344423446 is 644324443451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154344423397 and 154344423406.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3062636 + ... + 3112623.

It is an arithmetic number, because the mean of its divisors is an integer number (28941899805).

Almost surely, 2^154344423446 is an apocalyptic number.

154344423446 is a deficient number, since it is larger than the sum of its proper divisors (77190774994).

154344423446 is a wasteful number, since it uses less digits than its factorization.

154344423446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187758.

The product of its digits is 2211840, while the sum is 44.

Adding to 154344423446 its reverse (644324443451), we get a palindrome (798668866897).

The spelling of 154344423446 in words is "one hundred fifty-four billion, three hundred forty-four million, four hundred twenty-three thousand, four hundred forty-six".