154147001 has 2 divisors, whose sum is σ = 154147002. Its totient is φ = 154147000.

The previous prime is 154146997. The next prime is 154147009. The reversal of 154147001 is 100741451.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146991376 + 7155625 = 12124^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 154147001 - 2² = 154146997 is a prime.

It is a super-2 number, since 2×154147001² = 47522595834588002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154147009) 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, 77073500 + 77073501.

It is an arithmetic number, because the mean of its divisors is an integer number (77073501).

Almost surely, 2^154147001 is an apocalyptic number.

It is an amenable number.

154147001 is a deficient number, since it is larger than the sum of its proper divisors (1).

154147001 is an equidigital number, since it uses as much as digits as its factorization.

154147001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 154147001 is about 12415.5950723274. The cubic root of 154147001 is about 536.1813369232.

Adding to 154147001 its reverse (100741451), we get a palindrome (254888452).

The spelling of 154147001 in words is "one hundred fifty-four million, one hundred forty-seven thousand, one".