154042115 has 16 divisors (see below), whose sum is σ = 189757728. Its totient is φ = 119997696.

The previous prime is 154042103. The next prime is 154042121. The reversal of 154042115 is 511240451.

It is a cyclic number.

It is not a de Polignac number, because 154042115 - 2⁴ = 154042099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34184 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (11859858).

Almost surely, 2^154042115 is an apocalyptic number.

154042115 is a deficient number, since it is larger than the sum of its proper divisors (35715613).

154042115 is a wasteful number, since it uses less digits than its factorization.

154042115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 154042115 is about 12411.3703917013. The cubic root of 154042115 is about 536.0596983240.

Adding to 154042115 its reverse (511240451), we get a palindrome (665282566).

The spelling of 154042115 in words is "one hundred fifty-four million, forty-two thousand, one hundred fifteen".