154081089 has 32 divisors (see below), whose sum is σ = 248592000. Its totient is φ = 93949632.

The previous prime is 154081069. The next prime is 154081091. The reversal of 154081089 is 980180451.

154081089 is a `hidden beast` number, since 1 + 540 + 8 + 108 + 9 = 666.

It is not a de Polignac number, because 154081089 - 2⁷ = 154080961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154081019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9699 + ... + 20055.

It is an arithmetic number, because the mean of its divisors is an integer number (7768500).

Almost surely, 2^154081089 is an apocalyptic number.

154081089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

154081089 is a deficient number, since it is larger than the sum of its proper divisors (94510911).

154081089 is a wasteful number, since it uses less digits than its factorization.

154081089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414 (or 10408 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 154081089 is about 12412.9403849370. The cubic root of 154081089 is about 536.1049037730.

The spelling of 154081089 in words is "one hundred fifty-four million, eighty-one thousand, eighty-nine".