154142134 has 16 divisors (see below), whose sum is σ = 240523920. Its totient is φ = 73997280.

The previous prime is 154142099. The next prime is 154142141. The reversal of 154142134 is 431241451.

It is a junction number, because it is equal to n+sod(n) for n = 154142099 and 154142108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157 + ... + 17839.

It is an arithmetic number, because the mean of its divisors is an integer number (15032745).

Almost surely, 2^154142134 is an apocalyptic number.

154142134 is a deficient number, since it is larger than the sum of its proper divisors (86381786).

154142134 is a wasteful number, since it uses less digits than its factorization.

154142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14895.

The product of its digits is 1920, while the sum is 25.

The square root of 154142134 is about 12415.3990672874. The cubic root of 154142134 is about 536.1756937773.

Adding to 154142134 its reverse (431241451), we get a palindrome (585383585).

The spelling of 154142134 in words is "one hundred fifty-four million, one hundred forty-two thousand, one hundred thirty-four".