154315379 has 2 divisors, whose sum is σ = 154315380. Its totient is φ = 154315378.

The previous prime is 154315373. The next prime is 154315417. The reversal of 154315379 is 973513451.

154315379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (154315417) can be obtained adding 154315379 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154315379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (154315373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77157689 + 77157690.

It is an arithmetic number, because the mean of its divisors is an integer number (77157690).

Almost surely, 2^154315379 is an apocalyptic number.

154315379 is a deficient number, since it is larger than the sum of its proper divisors (1).

154315379 is an equidigital number, since it uses as much as digits as its factorization.

154315379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 154315379 is about 12422.3741289658. The cubic root of 154315379 is about 536.3764932534.

The spelling of 154315379 in words is "one hundred fifty-four million, three hundred fifteen thousand, three hundred seventy-nine".