154243113 has 4 divisors (see below), whose sum is σ = 205657488. Its totient is φ = 102828740.

The previous prime is 154243097. The next prime is 154243123. The reversal of 154243113 is 311342451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154243113 - 2⁴ = 154243097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154243123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25707183 + ... + 25707188.

It is an arithmetic number, because the mean of its divisors is an integer number (51414372).

Almost surely, 2^154243113 is an apocalyptic number.

It is an amenable number.

154243113 is a deficient number, since it is larger than the sum of its proper divisors (51414375).

154243113 is an equidigital number, since it uses as much as digits as its factorization.

154243113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51414374.

The product of its digits is 1440, while the sum is 24.

The square root of 154243113 is about 12419.4650850993. The cubic root of 154243113 is about 536.2927516842.

Adding to 154243113 its reverse (311342451), we get a palindrome (465585564).

The spelling of 154243113 in words is "one hundred fifty-four million, two hundred forty-three thousand, one hundred thirteen".