154146137 has 2 divisors, whose sum is σ = 154146138. Its totient is φ = 154146136.

The previous prime is 154146133. The next prime is 154146149. The reversal of 154146137 is 731641451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141586201 + 12559936 = 11899^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 154146137 - 2² = 154146133 is a prime.

It is a super-2 number, since 2×154146137² = 47522063104045538, which contains 22 as substring.

It is a Chen prime.

It is equal to p_8664260 and since 154146137 and 8664260 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (154146133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77073068 + 77073069.

It is an arithmetic number, because the mean of its divisors is an integer number (77073069).

Almost surely, 2^154146137 is an apocalyptic number.

It is an amenable number.

154146137 is a deficient number, since it is larger than the sum of its proper divisors (1).

154146137 is an equidigital number, since it uses as much as digits as its factorization.

154146137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 154146137 is about 12415.5602773294. The cubic root of 154146137 is about 536.1803351488.

Adding to 154146137 its reverse (731641451), we get a palindrome (885787588).

The spelling of 154146137 in words is "one hundred fifty-four million, one hundred forty-six thousand, one hundred thirty-seven".