154898741 has 2 divisors, whose sum is σ = 154898742. Its totient is φ = 154898740.

The previous prime is 154898729. The next prime is 154898743. The reversal of 154898741 is 147898451.

154898741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115648516 + 39250225 = 10754^2 + 6265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154898741 is a prime.

Together with 154898743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154898743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77449370 + 77449371.

It is an arithmetic number, because the mean of its divisors is an integer number (77449371).

Almost surely, 2^154898741 is an apocalyptic number.

It is an amenable number.

154898741 is a deficient number, since it is larger than the sum of its proper divisors (1).

154898741 is an equidigital number, since it uses as much as digits as its factorization.

154898741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 47.

The square root of 154898741 is about 12445.8322742997. The cubic root of 154898741 is about 537.0515354993.

The spelling of 154898741 in words is "one hundred fifty-four million, eight hundred ninety-eight thousand, seven hundred forty-one".