154776677452 has 6 divisors (see below), whose sum is σ = 270859185548. Its totient is φ = 77388338724.

The previous prime is 154776677437. The next prime is 154776677453. The reversal of 154776677452 is 254776677451.

It is not an unprimeable number, because it can be changed into a prime (154776677453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19347084678 + ... + 19347084685.

Almost surely, 2^154776677452 is an apocalyptic number.

It is an amenable number.

154776677452 is a deficient number, since it is larger than the sum of its proper divisors (116082508096).

154776677452 is a wasteful number, since it uses less digits than its factorization.

154776677452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38694169367 (or 38694169365 counting only the distinct ones).

The product of its digits is 69148800, while the sum is 61.

Subtracting 154776677452 from its reverse (254776677451), we obtain a palindrome (99999999999).

The spelling of 154776677452 in words is "one hundred fifty-four billion, seven hundred seventy-six million, six hundred seventy-seven thousand, four hundred fifty-two".