154112279 has 2 divisors, whose sum is σ = 154112280. Its totient is φ = 154112278.

The previous prime is 154112227. The next prime is 154112297. The reversal of 154112279 is 972211451.

154112279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (154112297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154112279 - 2¹⁶ = 154046743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154112209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77056139 + 77056140.

It is an arithmetic number, because the mean of its divisors is an integer number (77056140).

Almost surely, 2^154112279 is an apocalyptic number.

154112279 is a deficient number, since it is larger than the sum of its proper divisors (1).

154112279 is an equidigital number, since it uses as much as digits as its factorization.

154112279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 154112279 is about 12414.1966715531. The cubic root of 154112279 is about 536.1410751681.

The spelling of 154112279 in words is "one hundred fifty-four million, one hundred twelve thousand, two hundred seventy-nine".