154255487 has 4 divisors (see below), whose sum is σ = 154280616. Its totient is φ = 154230360.

The previous prime is 154255481. The next prime is 154255537. The reversal of 154255487 is 784552451.

154255487 is digitally balanced in base 2, 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 154255487 - 2¹⁴ = 154239103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154255481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3437 + ... + 17897.

It is an arithmetic number, because the mean of its divisors is an integer number (38570154).

Almost surely, 2^154255487 is an apocalyptic number.

154255487 is a deficient number, since it is larger than the sum of its proper divisors (25129).

154255487 is a wasteful number, since it uses less digits than its factorization.

154255487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25128.

The product of its digits is 224000, while the sum is 41.

The square root of 154255487 is about 12419.9632447121. The cubic root of 154255487 is about 536.3070924845.

The spelling of 154255487 in words is "one hundred fifty-four million, two hundred fifty-five thousand, four hundred eighty-seven".