154591148 has 6 divisors (see below), whose sum is σ = 270534516. Its totient is φ = 77295572.

The previous prime is 154591147. The next prime is 154591153. The reversal of 154591148 is 841195451.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (154591147) 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, 19323890 + ... + 19323897.

It is an arithmetic number, because the mean of its divisors is an integer number (45089086).

Almost surely, 2^154591148 is an apocalyptic number.

It is an amenable number.

154591148 is a deficient number, since it is larger than the sum of its proper divisors (115943368).

154591148 is a wasteful number, since it uses less digits than its factorization.

154591148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38647791 (or 38647789 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 154591148 is about 12433.4688643194. The cubic root of 154591148 is about 536.6958133075.

The spelling of 154591148 in words is "one hundred fifty-four million, five hundred ninety-one thousand, one hundred forty-eight".