154876938154 has 4 divisors (see below), whose sum is σ = 232315407234. Its totient is φ = 77438469076.

The previous prime is 154876938113. The next prime is 154876938157. The reversal of 154876938154 is 451839678451.

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., 92814669025 + 62062269129 = 304655^2 + 249123^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154876938092 and 154876938101.

It is not an unprimeable number, because it can be changed into a prime (154876938157) 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 as a sum of consecutive naturals, namely, 38719234537 + ... + 38719234540.

Almost surely, 2^154876938154 is an apocalyptic number.

154876938154 is a deficient number, since it is larger than the sum of its proper divisors (77438469080).

154876938154 is an equidigital number, since it uses as much as digits as its factorization.

154876938154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77438469079.

The product of its digits is 29030400, while the sum is 61.

The spelling of 154876938154 in words is "one hundred fifty-four billion, eight hundred seventy-six million, nine hundred thirty-eight thousand, one hundred fifty-four".