154898099 has 2 divisors, whose sum is σ = 154898100. Its totient is φ = 154898098.

The previous prime is 154898059. The next prime is 154898111. The reversal of 154898099 is 990898451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154898099 - 2¹⁶ = 154832563 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154898099.

It is not a weakly prime, because it can be changed into another prime (154898059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77449049 + 77449050.

It is an arithmetic number, because the mean of its divisors is an integer number (77449050).

Almost surely, 2^154898099 is an apocalyptic number.

154898099 is a deficient number, since it is larger than the sum of its proper divisors (1).

154898099 is an equidigital number, since it uses as much as digits as its factorization.

154898099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 154898099 is about 12445.8064825065. The cubic root of 154898099 is about 537.0507935360.

The spelling of 154898099 in words is "one hundred fifty-four million, eight hundred ninety-eight thousand, ninety-nine".