154315115434 has 4 divisors (see below), whose sum is σ = 231472673154. Its totient is φ = 77157557716.

The previous prime is 154315115413. The next prime is 154315115453. The reversal of 154315115434 is 434511513451.

154315115434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 85957444225 + 68357671209 = 293185^2 + 261453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154315115393 and 154315115402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38578778857 + ... + 38578778860.

Almost surely, 2^154315115434 is an apocalyptic number.

154315115434 is a deficient number, since it is larger than the sum of its proper divisors (77157557720).

154315115434 is an equidigital number, since it uses as much as digits as its factorization.

154315115434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77157557719.

The product of its digits is 72000, while the sum is 37.

Adding to 154315115434 its reverse (434511513451), we get a palindrome (588826628885).

The spelling of 154315115434 in words is "one hundred fifty-four billion, three hundred fifteen million, one hundred fifteen thousand, four hundred thirty-four".