154156349 has 2 divisors, whose sum is σ = 154156350. Its totient is φ = 154156348.

The previous prime is 154156339. The next prime is 154156361. The reversal of 154156349 is 943651451.

154156349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 39816100 = 10693^2 + 6310^2 .

It is a cyclic number.

It is not a de Polignac number, because 154156349 - 2²⁴ = 137379133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154156339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77078174 + 77078175.

It is an arithmetic number, because the mean of its divisors is an integer number (77078175).

Almost surely, 2^154156349 is an apocalyptic number.

It is an amenable number.

154156349 is a deficient number, since it is larger than the sum of its proper divisors (1).

154156349 is an equidigital number, since it uses as much as digits as its factorization.

154156349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 154156349 is about 12415.9715286400. The cubic root of 154156349 is about 536.1921753259.

The spelling of 154156349 in words is "one hundred fifty-four million, one hundred fifty-six thousand, three hundred forty-nine".