154587161 has 2 divisors, whose sum is σ = 154587162. Its totient is φ = 154587160.

The previous prime is 154587131. The next prime is 154587217. The reversal of 154587161 is 161785451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 71503936 = 9115^2 + 8456^2 .

It is a cyclic number.

It is not a de Polignac number, because 154587161 - 2¹⁴ = 154570777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154587131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77293580 + 77293581.

It is an arithmetic number, because the mean of its divisors is an integer number (77293581).

Almost surely, 2^154587161 is an apocalyptic number.

It is an amenable number.

154587161 is a deficient number, since it is larger than the sum of its proper divisors (1).

154587161 is an equidigital number, since it uses as much as digits as its factorization.

154587161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 38.

The square root of 154587161 is about 12433.3085299127. The cubic root of 154587161 is about 536.6911993638.

The spelling of 154587161 in words is "one hundred fifty-four million, five hundred eighty-seven thousand, one hundred sixty-one".