154132331 has 2 divisors, whose sum is σ = 154132332. Its totient is φ = 154132330.

The previous prime is 154132301. The next prime is 154132333. The reversal of 154132331 is 133231451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154132331 is a prime.

It is a super-2 number, since 2×154132331² = 47513550918987122, which contains 22 as substring.

Together with 154132333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154132297 and 154132306.

It is not a weakly prime, because it can be changed into another prime (154132333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77066165 + 77066166.

It is an arithmetic number, because the mean of its divisors is an integer number (77066166).

Almost surely, 2^154132331 is an apocalyptic number.

154132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

154132331 is an equidigital number, since it uses as much as digits as its factorization.

154132331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 154132331 is about 12415.0042690287. The cubic root of 154132331 is about 536.1643271215.

Adding to 154132331 its reverse (133231451), we get a palindrome (287363782).

The spelling of 154132331 in words is "one hundred fifty-four million, one hundred thirty-two thousand, three hundred thirty-one".