154871201 has 2 divisors, whose sum is σ = 154871202. Its totient is φ = 154871200.

The previous prime is 154871191. The next prime is 154871203. The reversal of 154871201 is 102178451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 54390625 = 10024^2 + 7375^2 .

It is an emirp because it is prime and its reverse (102178451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154871201 is a prime.

Together with 154871203, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 154871201 parts by 17599 straight cuts.

It is not a weakly prime, because it can be changed into another prime (154871203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77435600 + 77435601.

It is an arithmetic number, because the mean of its divisors is an integer number (77435601).

Almost surely, 2^154871201 is an apocalyptic number.

It is an amenable number.

154871201 is a deficient number, since it is larger than the sum of its proper divisors (1).

154871201 is an equidigital number, since it uses as much as digits as its factorization.

154871201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 154871201 is about 12444.7258306481. The cubic root of 154871201 is about 537.0197055098.

The spelling of 154871201 in words is "one hundred fifty-four million, eight hundred seventy-one thousand, two hundred one".