154800556 has 6 divisors (see below), whose sum is σ = 270900980. Its totient is φ = 77400276.

The previous prime is 154800551. The next prime is 154800593. The reversal of 154800556 is 655008451.

It is a happy number.

154800556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (154800551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19350066 + ... + 19350073.

Almost surely, 2^154800556 is an apocalyptic number.

It is an amenable number.

154800556 is a deficient number, since it is larger than the sum of its proper divisors (116100424).

154800556 is a wasteful number, since it uses less digits than its factorization.

154800556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38700143 (or 38700141 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 154800556 is about 12441.8871558940. The cubic root of 154800556 is about 536.9380386649.

The spelling of 154800556 in words is "one hundred fifty-four million, eight hundred thousand, five hundred fifty-six".