154403440342 has 4 divisors (see below), whose sum is σ = 231605160516. Its totient is φ = 77201720170.

The previous prime is 154403440339. The next prime is 154403440361. The reversal of 154403440342 is 243044304451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154403440298 and 154403440307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38600860084 + ... + 38600860087.

It is an arithmetic number, because the mean of its divisors is an integer number (57901290129).

Almost surely, 2^154403440342 is an apocalyptic number.

154403440342 is a deficient number, since it is larger than the sum of its proper divisors (77201720174).

154403440342 is an equidigital number, since it uses as much as digits as its factorization.

154403440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77201720173.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 154403440342 its reverse (243044304451), we get a palindrome (397447744793).

The spelling of 154403440342 in words is "one hundred fifty-four billion, four hundred three million, four hundred forty thousand, three hundred forty-two".