154550234 has 4 divisors (see below), whose sum is σ = 231825354. Its totient is φ = 77275116.

The previous prime is 154550203. The next prime is 154550261. The reversal of 154550234 is 432055451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132319009 + 22231225 = 11503^2 + 4715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154550197 and 154550206.

It is an unprimeable number.

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, 38637557 + ... + 38637560.

Almost surely, 2^154550234 is an apocalyptic number.

154550234 is a deficient number, since it is larger than the sum of its proper divisors (77275120).

154550234 is an equidigital number, since it uses as much as digits as its factorization.

154550234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77275119.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 154550234 is about 12431.8234382572. The cubic root of 154550234 is about 536.6484619332.

The spelling of 154550234 in words is "one hundred fifty-four million, five hundred fifty thousand, two hundred thirty-four".