154091923 has 8 divisors (see below), whose sum is σ = 155147328. Its totient is φ = 153040704.

The previous prime is 154091921. The next prime is 154091941. The reversal of 154091923 is 329190451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154091923 - 2¹ = 154091921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154091921) 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 7 ways as a sum of consecutive naturals, for example, 106815 + ... + 108247.

It is an arithmetic number, because the mean of its divisors is an integer number (19393416).

Almost surely, 2^154091923 is an apocalyptic number.

154091923 is a deficient number, since it is larger than the sum of its proper divisors (1055405).

154091923 is a wasteful number, since it uses less digits than its factorization.

154091923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 154091923 is about 12413.3767766873. The cubic root of 154091923 is about 536.1174686384.

The spelling of 154091923 in words is "one hundred fifty-four million, ninety-one thousand, nine hundred twenty-three".