154132439 has 2 divisors, whose sum is σ = 154132440. Its totient is φ = 154132438.

The previous prime is 154132379. The next prime is 154132441. The reversal of 154132439 is 934231451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154132439 - 2²⁰ = 153083863 is a prime.

Together with 154132441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154132739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77066219 + 77066220.

It is an arithmetic number, because the mean of its divisors is an integer number (77066220).

Almost surely, 2^154132439 is an apocalyptic number.

154132439 is a deficient number, since it is larger than the sum of its proper divisors (1).

154132439 is an equidigital number, since it uses as much as digits as its factorization.

154132439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 154132439 is about 12415.0086186035. The cubic root of 154132439 is about 536.1644523510.

The spelling of 154132439 in words is "one hundred fifty-four million, one hundred thirty-two thousand, four hundred thirty-nine".