154101641 has 2 divisors, whose sum is σ = 154101642. Its totient is φ = 154101640.

The previous prime is 154101599. The next prime is 154101643. The reversal of 154101641 is 146101451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148742416 + 5359225 = 12196^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 154101641 - 2²² = 149907337 is a prime.

Together with 154101643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154101643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77050820 + 77050821.

It is an arithmetic number, because the mean of its divisors is an integer number (77050821).

Almost surely, 2^154101641 is an apocalyptic number.

It is an amenable number.

154101641 is a deficient number, since it is larger than the sum of its proper divisors (1).

154101641 is an equidigital number, since it uses as much as digits as its factorization.

154101641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 154101641 is about 12413.7682030881. The cubic root of 154101641 is about 536.1287387078.

The spelling of 154101641 in words is "one hundred fifty-four million, one hundred one thousand, six hundred forty-one".